Due to the objective and subjective conditions brought, the land of South Vietnam is not only a place with a large number of the overseas Chinese living concentrated, but most of them, especially in Saigon, Cholon areas are also originally from Guangdong - the homeland of Sun Yat-sen. Therefore, when coming to Vietnam to revolutionize, Sun Yat-sen paid special attention and came to the South many times. The activities that Sun Yat-sen conducted in the South of Vietnam have sparked a revolution in this community. So in the struggle movement to overthrow the Manchu feudalism and build a republic in China then, the overseas Chinese residing here had made great contributions. Their response took place for a long time and expressed in many fields, which contributed to the revolutionary career of Sun Yat-sen being in trouble, gradually developing.