苗族(Hmong,蒙人)是中国的跨境民族之一。本文基于对东南亚各国蒙人社会交往状况的田野调查及相关资料,探讨了各国蒙人社会的交往格局、文化互动和民族关系的现代变迁。蒙人在各个国家里被预订了特定的社会地位。在主要移居国例如越南、泰国、老挝、美国等国家呈现了文化多样性。 Hmong (Mongolian) is one of China’s cross-border ethnic groups. Based on the fieldwork and other relevant materials on the status of Mongolian people’s social interaction in Southeast Asia, this article explores the interaction between Mongolian society in various countries and the modern changes in cultural interaction and ethnic relations. Mongols are booked in various countries in a particular social status. Cultural diversity has been demonstrated in major emigrant countries such as Vietnam, Thailand, Laos, the United States and other countries.