The Hakka people are a branch of the Han Chinese race, and Hakka means "guest". They have experienced many migrations in history and left their native land, so they are called Hakka people. Japan in the last century and a half, very keen to study the culture of the Hakka people, they are very much in admiration of the Hakka people, they believe that the Hakka people have a natural tenacity of national self-esteem as well as patriotism and conservatism. In Japan, a large number of books and papers have been published about the Hakka people, and it can be said that their understanding of the Hakka people is from an ignorance of the Hakka people to the impressive process, the Hakka people have been a household word in Japan, as long as the Chinese history, Chinese culture is interested, basically know about the Hakka people.

In 1932 the outbreak of the Shanghai war of resistance, then stationed in Shanghai, the 19th Route Army is very tenacious, after 33 days of courageous fighting, forcing the Japanese army to three changes in their command, and later the Japanese imperialists after research found that the 19th Route Army in Shanghai are basically Hakka, and so even more appealing to the Japanese research on the Hakka. The Japanese research on the Hakka people, in Showa 7 years in December, Japanese Intelligence Ministry published Study of Hakka Nation in Guangdong, which clearly points out that the Hakka people's patriotism as well as a strong sense of national pride.

The Japanese thought that the Hakka people had a strong national pride, it was difficult to integrate with other nationalities, a strong sense of struggle, and xenophobic ideas, and the Japanese thought that the Hakka people fought with ? The Japanese believe that the Hakka people fight with xenophobic ideas. The Japanese believe that the Hakka people fight on the basis of "xenophobia", and that they are particularly tenacious and conservative due to the fact that they were subjected to ethnic oppression during the Qing Dynasty.

In the view of the Japanese, we Chinese do not have the spirit of solidarity, only the Hakka people have this national strength, so it is particularly worth studying, they believe that the Hakka people have a strong force in the political and financial sectors in Guangdong, many of the **** army are Hakka people, such as Chen Mingshu, Chen Jitang, Zhang Fakui, etc. under the troops are basically Hakka people, the three people's troops add up to a total of **** there are 150,000 or 160,000 people, the Hakka people first through force into the financial sector, in the financial sector, so as to further consolidate their military power.