The main ethnic group of Vietnam, the Jing, belongs to the same ethnic group as the minority of China, the Jing. The Jing nationality is one of the ethnic minorities with the smallest population in southern China, the only coastal fishery ethnic minority in China, the only marine ethnic group in China, and the main ethnic group in Vietnam. In history, the Jing nationality was called the "Yue nationality" and called itself the "Jing nationality". The Jing people mainly believe in Taoism and Buddhism, while a few believe in Catholicism. Most of the houses of the Jing nationality are brick and tile houses. The buildings are relatively solid to prevent sea breeze. The diet is mainly rice, with more fish and shrimp, and likes to taste with fish sauce. Women wear a short jacket with narrow sleeves, tight fitting and collarless front, and trousers are long and wide; The men's jacket is knee length, with narrow sleeves covering the chest and waist band. In May 1958, with the approval of the State Council of China, it was officially named "Jing Nationality". In Vietnam, the Jing nationality is the main ethnic group. Among the 54 ethnic groups in Vietnam, the Jing nationality accounts for nearly 90% of the total population of Vietnam.