Very small ethnic minorities are ethnic groups with a population of less than 10,000 people. Currently, the whole country has 16 ethnic minorities with very few people (Si La, O Du, Brau, Ro Mam, Pu Peo, Cong, Mang, Bo Y, Lo Lo, Co Lao, Ngai, Lu, Pa Then, Chut, La Ha, La Hu), living scatteredly in 32 provinces and cities across the country. The common point of the very few ethnic minorities is that most reside in particularly difficult areas, the "poor core" of the country. In Lai Chau, there are 3 ethnic groups: Cong, Mang, La Hu, 3 ethnic groups with extremely few people and extremely difficult economic conditions. Requires strategic attention from Lai Chau province during the period of integration and development.