Abstract: Within the range of Haidian district in Beijing, undergraduate students from nine universities are surveyed for the purpose of elucidating connections between major selection affecting elements, satisfaction degrees in the future and the major shift tendency,via statistical methods such as regression analysis and factor analysis. The results indicate that, university, family, individual and society element are mainly the four aspects affecting students爷selecting a major. Besides, more attention to individual element such as ability and interest brings higher satisfaction degrees.