This study explores the Thai language use ability of ethnic minority students from a vocational college in Yunnan,China by investigation. Questionnaire survey and interviews were adopted to collect data for research. Based on the data,it summed up the present situation of Thai language use of the ethnic minority students from the vocational college;and further it put forward some advice and suggestions for enhancing future teaching,stimulating more reflection on Thai language teaching,and as well provides reference for the development of ethnic minority education.