The development of Harbin is promoted under specific historical conditions, and the historical accumulation of Harbin is the result of the integration of human culture. Harbin became a commercial port on 1907 after the Middle East Railway was completed and opened to traffic. With the invasion of Russian colonialists, a large number of foreign businessmen have set foot in Harbin. Therefore, Harbin combines the political, economic and cultural characteristics of the West. In this westernized city, there is a Fujiadian District (now Daowai District), where all the people of China live, and its administrative sovereignty has always been controlled by the China government. Different from Daoli District and nangang district, there are great differences in living customs, architectural styles and urban patterns. According to China's traditional custom, we should open shops and factories, and take the opportunity of building the Middle East Railway to rapidly develop national industry and commerce. The shops on both sides of Jingyu Street are very lively, and street vendors, artists, storytellers and singers are everywhere. The buildings along the street are mainly in Chinese Baroque style, which combines the architectural styles of classicism, Renaissance and Art Nouveau, forming a unique urban culture and urban style in Daowai District.

However, at present, modern buildings in many areas of Daowai District have been replaced by modern slab multi-storey buildings in the process of old city reconstruction. Most areas south of Nanxun Street and north of Diling Street on the north side have become residential areas with 7-8 floors. Other areas that have not been rebuilt are basically included in the renovation plan, and some areas south of Jingyu Street are also on the verge of being transformed into multi-storey board buildings immediately. The old commercial shops were replaced by large shopping malls and supermarkets, and the traditional style of the commercial market disappeared. With the passage of time, ancient commercial buildings and baroque compound buildings in China gradually lost their original styles, and some even became dangerous buildings without timely protection. These problems are encountered in the process of urban development and renewal. In order to protect these precious historical remains, continue the historical information, inherit the context of urban development, and make use of the historical and cultural resources of the old city to better serve the modern and show the future, it has become an important and urgent topic in urban construction. The composition of urban CI theory: the investigation and evaluation of the existing urban image, the positioning and shaping of the future urban image, and the promotion and implementation of the new urban concept. It can be simply summarized as "what", "what to do" and "how to do it".

1 Evaluation and orientation of old urban blocks

1. 1 Investigation and Evaluation on the Image of Old Streets in Cities

Daowai District has a large number of historical and cultural resources. Due to the construction of the Middle East Railway, a large number of workers from other provinces gathered here, and at the same time brought their hometown culture here, which constituted the historical and cultural diversity of Daowai District. As mentioned earlier, there are a large number of time-honored brands in Daowai District, including medicine, catering, shopping malls and service industries. All these reflect that the traditional commerce in the foreign countries is very prosperous under the specific historical environment. In Harbin, which is known as "Little Paris of the East" because of the integration of foreign culture and local culture, Daowai District has survived and developed in its unique traditional way, forming a regional culture different from Daoli District and nangang district. It is this different historical culture that forms the unique traditional business style of Daowai District. At present, the number of old industrial and commercial brands owned by Daowai District is second to none in Harbin. There are a large number of China Baroque buildings here, which are rare in other areas. However, in the past urban development, some old shops gradually disappeared, and some folk arts and culture are no longer rare. The reason for this situation is that the social, historical and cultural values of this area have not been correctly recognized and effectively protected and utilized, resulting in a huge waste of resources, and these cultural resources left over from history should have been an important cultural support for the prosperity of Daowai District.

1.2 The future image orientation of the old city lies in shaping.

The real connotation of traditional culture is always in the daily life of millions of ordinary citizens in Qian Qian. Therefore, urban culture is a key to understand Harbin Daowai District. As far as the living conditions of most people in different times and societies are concerned, the basic subject of secular culture is nothing more than a way of entertainment focusing on human nature, such as eating, drinking and enjoying. People in Daowai District also live like this in a special historical era. In the old days, Daowai District of Harbin had no Daoli District, Nangang bustling area and foreign flavor, but it can also be called a place where merchants gathered and were very lively. Traditional snacks, restaurants and hotels of various grades can be seen everywhere, and various grocery stores and large department stores are crowded with people. There are tea gardens for drinking tea and watching plays, as well as Jianghu artists who set up stalls along the street to perform arts. There are the most folk arts and entertainment places in this area. But the people here are full of energy and a strong sense of doing business, which makes Daowai District full of charming traditional business atmosphere. Up to now, people living here are influenced by traditional business styles and still have a strong sense of doing business. In view of the traditional business style and market culture formed in Daowai District in the past, and considering the development of Daowai District, this paper holds that Daowai Old Street should be a blend of historical culture and modern development, maintain the traditional business style and be a good place for entertainment and leisure. In business operation, it mainly serves ordinary citizens and people with low consumption level. At present, Daowai District has formed a certain scale in commodity management, with many monopoly streets of different kinds of commodities. The goods sold in Daowai District are cheap, mainly wholesale.

Therefore, we can continue the business characteristics of this kind of wholesale middle and low-grade goods, and consider selling high-grade goods with old brands. Cultural management should be based on the aesthetic taste of the general public, embody local characteristics, be easy to understand and entertain the public. Let the people who come here have a relaxed and happy mood, feel that the people here have a strong affinity with the scenery here, and finally have a feeling of being integrated into this place. Daowai Old Street cannot be simply defined as a place where ordinary people play, eat, shop and feel the history. Only by relying on the traditional culture and historical features outside Taoism, recreating a historical block with rich cultural connotations is the correct way to revive this area.

2. Promotion and implementation of the concept of new and old urban areas.

2. 1 New Old Street Concept Promotion

When the concept of the image of the old street in the city is determined, it is necessary to transmit information through various media and various modes of communication, so that the public inside and outside the block can know, understand and have a sense of identity, thus gradually establishing a good image of the historical block in the public's mind. We can regard history and culture as a special and available resource, and rely on traditional culture to develop corresponding industries. Therefore, using the cultural resources in Daowai District to promote economic revitalization should be the only way for the region's economic development. In the past, due to insufficient publicity, the cultural resources in Daowai District failed to play its due role in economic development. For example, the historical buildings and their values in Daowai District have not been better publicized and utilized, and some old shops have failed to continue their history, resulting in the waste and loss of many intangible resources. Because the propaganda work has not been carried out in depth, there is a big gap between Daowai District and the neighboring Daoli District and nangang district, not to mention tourism. Therefore, vigorously promoting the history and culture of Daowai District requires investing a lot of manpower, material resources and financial resources, doing a good job in publicity through multiple channels and directions, and highlighting the advantages of historical and cultural resources in Daowai District.

While vigorously promoting the cultural resources of urban old streets, we should make full use of the advantages of Harbin's historical and cultural city, the tourism image established by Harbin in recent years, and the characteristics of Harbin's famous ice and snow festival that attracts a large number of tourists every year, seize the opportunity, and combine the unique and distinctive cultural activities and economic activities in Daowai District with Harbin's ice and snow festival to achieve cultural success and economic singing. Although there are various forms of cultural festivals all over the country, in the end, metropolises make a fuss about the economy and the effect is good. Cultural Festival is not a shallow form of food and entertainment, but a full display of a region's economic strength and overall image, and it is also the best opportunity to promote economic construction, establishment and opening up. Therefore, all kinds of publicity activities in Daowai District should be linked with Harbin Ice and Snow Festival to promote the overall development of local economy.

2.2 the implementation of the concept of new and old blocks

At present, the industrial structure of the road sections on both sides of Jingyu Street in Daowai District is very complicated, and the business content often changes, which can not fully reflect its traditional commercial characteristics. Therefore, combined with the influence of some famous catering, entertainment and service industries in Daowai District in the past, relying on the historical and cultural atmosphere formed in Daowai District, Daowai Old Street Reserve is divided into four characteristic functional areas, which makes the commercial atmosphere of historical blocks more prominent and distinctive. These four functional areas are: flavor snack area, catering and entertainment area, folk culture area and Jingyu Street business area (traditional department store area, specialized business area and small and medium-sized retail business area).

(1) flavor snack area. It's within the range from Beierdao Street to Beisandao Street. Mainly engaged in small and medium-sized catering industry. In the 1920s and 1930s, Harbin was the most prosperous city in kanto region. People from all over the country came to Daowai District to make a living and seek development, and also brought local specialties to Harbin. The reason why this area is positioned as a flavor snack area is that there are 2 1 restaurants with shop names in this area, such as Fan Jiyong, Laomei Xiangzhai, Kuiyuan Pavilion, Huihailou and Sanhechun. So this place has a strong foundation of food culture. Dividing this area into flavor snack areas can awaken people's infinite memories of the old road area and stimulate people's fighting spirit to revive historical glory.

(2) dining and entertainment area. In Laodaowai District, it starts from Sandao North Street in the west, reaches Qidao Street in the east, reaches Daxin Street Tramway in the south, and reaches Daowai North Market on Songhua River in the north. This was a lively place in Daowai District at that time, where many poor citizens and folk artists made a living. There are storytellers, drummers and duets, jugglers, monkeys and broadswords, westerners and shoulder poles. Teahouses are the favorite places for the rich to relax. At that time, Qingfeng Tea Garden, Le Tong Tea Garden, Zhonghua Tea Garden and New Stage in Daowai District were the most famous tea gardens at that time. Therefore, taking advantage of the fame and influence of these entertainment methods and places, these entertainment methods and places once belonged to Daowai District in the old days, and the lots will be

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