Liangshan is one of the places where AIDS is quickly spreading.AIDS has become one of the main public hygiene problems which seriously influence the stability and development of the Liangshan society.Its widespread trend has not been controlled effectively.It＇s necessary to fulfill some AIDS-prevention-related health education and training for the Yi nationality college students,improve their prevention ability for AIDS,cultivate some qualified AIDS prevention propaganda troops with Yi students as their main bodies.And it＇s also necessary to build a long and effective AIDS prevention mechanism at the colleges of Liangshan,push forward the development of the AIDS prevention education work at colleges in Sichuan nationality areas and meanwhile build a ＂Yi student-Yi family-Yi village and villagers＂ AIDS prevention chain.