Tongjiang County is located in northeastern Sichuan. It is located at the junction of Sichuan-Shaanxi and Chu-Shu. It is adjacent to Nanzheng, Xixiang and Zhenba counties in Shaanxi Province to the north, Wanyuan to the east, Pingchang to the south, and Bazhong and Nanjiang counties to the west. The old records of the past dynasties all say: "Based on the old city of Sanba, control the left corner of the whole Shu", "The chain extends to Qinlong, and then the meandering Jingwu", "The key point of Baliang" in the north, and "The throat of Shu and Chu" in the east ". It has jurisdiction over 49 townships (towns), 524 villages, 3,332 villager groups, and 31 neighborhood committees, with a total population of 730,000, including 630,000 rural residents. The county covers an area of ??4,116.58 square kilometers, with a forest coverage rate of 57.6%. The territory has a pleasant climate and beautiful scenery, and is known as "One Prefecture and Three Townships" (the capital of Sichuan-Shaanxi Soviet Area, the hometown of the Chinese Red Army, the hometown of Tremella fuciformis in China, and the hometown of Chinese caves).

Tongjiang has a long history and the county has a long history. Cultural relics unearthed from Leigu Village in the south of the county prove that as early as the Neolithic Age, our ancestors had been living and thriving on this land. In the fourth year of Liang Tianjian in the Southern Dynasty (505), he entered the Northern Wei Dynasty and settled in Fuyang County for the first time. Datong of the Western Wei Dynasty (535-551) established Nuoshui County in the middle. In the eighth year of Tang Wude's reign, Bizhou was established. In the first year of Tianbao (742), Nuoshui County was changed to Tongjiang County, which has lasted more than 1,200 years.

The topography of the river is "surrounded by thousands of mountains, and the mountains are long and winding". Nuoshui and Danshui, one west and one east, cross the county from north to south, cutting the mountains into three rows: eastern, central and western, forming a situation of three mountains sandwiched by two valleys. The rainfall, sunshine and temperature in the county are suitable for the habitat and reproduction of many kinds of animals and plants. Therefore, the resources are very rich. The county has 875,600 acres of agricultural land, 3.311 million acres of forestry land, 3.0946 million acres of grassy hills and slopes, 6,169 water conservancy projects, and a developable water conservancy resource of 202,200 kilowatts (Fujian Yili Energy Investment and Development Company and Tongjiang The County People's Government signed an agreement for the overall development of Tongjiang hydropower resources. The company plans to invest 1.15 billion yuan in six years to develop the hydropower resources in the Tongjiang River basin in a cascade and rolling manner, and plans to build 16 hydropower stations. , with a total installed capacity of 140,000 kilowatts, the Gaokeng Power Station with an installed capacity of 15,000 kilowatts has officially started construction, and the construction of Hongkou Power Station and Guangna Power Station will be started in the near future); 173 varieties of crops are planted, including 308 types of trees and shrubs, and medicinal plants. 1,386 species, 384 species of forage, 67 species of wild fur and feathered animals, and 47 species of fish. It is rich in underground mineral resources. Coal mines, iron ores, limestone mines, dolomite mines, bauxite mines, quartz mines, potash mines, gypsum mines, marble, natural gas, etc. have been proven to have certain reserves. Among them, the commercial reserves of natural gas reach 240 billion cubic meter. Currently, the Southwest Petroleum Bureau is conducting risk drilling in Chenhe Township and Shaping Township. Well Heba No. 1 has been successfully drilled and large quantities of high-quality natural gas have been discovered.

Tongjiang’s economy is based on agriculture. The county's agricultural economy is dominated by planting, followed by animal husbandry, then forestry, sideline industries, and fishery. Since the reform and opening up, Tongjiang agriculture has been fissioning in the ups and downs. The self-sufficient natural economy has begun to transform into a commodity economy, and traditional agriculture has begun to transform into modern agriculture. Science and technology have injected vitality and vitality into agriculture. The black soil and farmers have been used for thousands of years. The inherent old consciousness has undergone profound changes. A complete set of new agricultural technologies such as "hybrid seeds", "warming seedling cultivation", "mulching film cultivation", "dryland transformation", "soil-gathering ridge cultivation" and scientific prevention and control of diseases and pests have been popularized. Especially since the establishment of the Bazhong area, the county party committee and government have formulated the general requirements of "stabilizing grain income, increasing income and leading to a well-off society", and formulated "enriching the people based on mountains and developing special features" and "strive to build a county economic framework with the non-public economy as the main body." The rural economic work ideas have been implemented one term after another, which has promoted the great development of rural economy. Tongjiang is lined with scenic spots and historic sites, and the scenery is beautiful. The Neolithic Age ruins of Leigu Village in the south of the county, the Han Dynasty ruins of Zhangjiahe in the northeast of the county, Qianfo Cliff in the western suburbs of the county, Guangna Bairu River, Fuyang Foer Cliff, Foye Cliff, Wensheng Foye Cave, Xibantan, Zitong Big Buddha Cave The cliff statues of the Tang Dynasty in other places are lifelike in shape and have unique charm. The seven-story relief pagoda on Qianfo Cliff is extremely exquisite and unique to the country; revolutionary sites and stone-carved slogans during the Soviet government period in Sichuan and Shaanxi Province can be found throughout urban and rural areas, with more than 50 major revolutionary sites. There are many cave villages in Tongjiang Pass, which is an important place for garrisoning troops. In the old days, there were "Nine Passes and Eighteen Passes", and there was also a saying of "Ten Cities, Hundreds of Villages, Thousands of Caves". It has always been a battleground for military strategists. The ancient buildings of the Ming and Qing Dynasties in the county include the Confucian Temple and Jiexiao General Altar in the county, Jinjiaba Archway in Singing Township, Wensheng Baishi Temple, Luban Temple in Louzi Township, Erlang Temple in Banyukou Township, and Xinglong's "Tongjiang Three Plums" Both the former residence and Li Qigang's Jinshi rank retain their original architectural features.

Nuoshui River Scenic Area is 35 kilometers long from east to west and 18 kilometers wide from north to south. It covers an area of ??457 square kilometers. It has beautiful flowing water, strange springs everywhere, steep peaks, strange rocks, passes, canyons, waterfalls and underground rivers everywhere. It is divided into four parts: "Nuoshui Cave Sky", "Linjiang Lixia", "Kongshan Sky Basin" and "Maba Stone Forest", forming a circular landscape with the county seat. It can be called the first resort in Qinba District.

Tongjiang has developed culture and education, and has celebrities from generation to generation. During the Ming and Qing Dynasties, county academies, free schools, and private schools competed with each other, and the school-running trend was strong. In the sixth year of Daoguang's reign in the Qing Dynasty (1826), the entire county raised money to set up 15 free schools and 3 private schools. At the end of Guangxu, there were 256 private schools in the county. In the 28th year of the reign of Emperor Guangxu (1902), a new school was established, and the Cuntanhe Elementary School and the County's First Higher Elementary School were built. In the 9th year of the reign of Emperor Guangxu (1920), the county senior girls' school was built, and in the 16th year of the reign of Emperor Guangxu, the county junior high school was built. During the Sichuan-Shaanxi Soviet government period, Pengyang Military School, Youth League School, Provincial Soviet School, Provincial Nursing School, Provincial Women's School and other professional schools were built. In the 34th year of the Republic of China, the county simple normal school was established. In 1956, Tongjiang Middle School enrolled high school classes. Tongjiang Normal School was built in 1959. In 1976, the Communist Labor University was established on a trial basis, and in 1982 it was renamed the County Farmers Technical School. Currently, the county has 532 primary schools, 19 ordinary junior high schools, 5 ordinary high schools, and 1 vocational education center. The number of students in school reaches 103,432. Tongjiang Middle School alone has sent more than 3,000 qualified freshmen to colleges and universities in the past seven years.

As early as the Tianbao period of the Tang Dynasty, Zhu Qingyu, a native of the city, became a Jinshi and served as the governor of Bizhou. In the 7th year of Jiading in the Southern Song Dynasty (1214), He Yanyin became a Jinshi, and his writings are outstanding and sometimes famous. During the Ming and Qing Dynasties, there were 10 Jinshi and 56 people promoted to the imperial examination. Tongjiang literati are quite famous throughout the country. Li Zhong'e, a Jinshi from Yi, served in the Hanlin Academy for 22 years. He served as academic administrator in Fujian and Guangxi successively; he successively served as editor and editor of "Records of Three Dynasties", "Fangyu Journey", "National History", "Xiang Yun Modern Tang Poems", and "Yi Tong Zhi". Official; at the end of the Qing Dynasty and the beginning of the Republic of China, Deng Tianbi studied in Japan and was one of the founders of a new school in Tongjiang; provincial senator Zhou Bingwen wrote more than 500 poems in "Drunk Bucai Shicao"; Li Fangpu was good at painting crabs and was known as "Li Crab" Duan Yanping is said to be unique in Sichuan noodle circles; Duan Yanping is good at painting landscape figures and is a member of the Southwest Art Association. In the 50 years since the founding of the People's Republic of China, there have been "a lot of famous people. But we still have to look at the present day." Guo Tingyao, Xi Shuke, Li Huaigui, Xiang Yunhua and others' prose, poems and novels, Wang Zhengle's oil paintings, and Xiang Silou's panel paintings. Li Binglin's photography and Han Dingjie's and Wang Liankun's paper-cuttings were published in newspapers and periodicals at provincial and above levels.

Tongjiang is the hometown of the Red Army, and its spirit lives on forever. According to statistics, from 1932 to 1935 after the Red Army entered Sichuan, the total population of Tongjiang County was only 300,000, but more than 45,000 people participated in the Red Army. Ten people, including He Zhengwen, Fu Chongbi, Chen Bin, Zhu Shihuan, Zhang Xianyang, Chen Fuzhang, Wu Shihong, Wu Rongzheng, Deng Shijun, and Zhang Rongsen, who joined the army during the Soviet government of Sichuan and Shaanxi Province, experienced hundreds of battles and grew into major general-level officers of the Chinese People's Liberation Army. In the War of Resistance Against Japan, the War of Liberation, the War to Resist U.S. Aggression and Aid Korea, and on the political and legal front after the founding of the People's Republic of China, 57 people were awarded first-class merit. During the period of socialist revolution and construction, 156 labor models at provincial level or above emerged in the country, and the national labor model 29 model people.