Abstract: This paper studies the role of S&T in Ningxia poverty alleviation through ecological migration. According to the field survey data, it analyses the situation of ecological migration villages and the development of S&T service station, S&T correspondent, ecological migration training and information service platform. S&T has played an important role in ecological migration in Ningxia. According to its experience, this paper gives several suggestions on the role of S&T in ecological migration.