: It is the first and most essential ingredient for the quality project of undergraduate education to construct curricula of bilingual teaching in Xichang college，and the course， P r i n c i p l e s o f E c n o m i c s is one of the important basic curricula of the two majors:land resources management and the programming of resources environment and city country.This paper expatiated the concept of bilingual teaching， analyzed the significance of bilingual teaching applied in the course of Principles of Ecnomics. Based on practice and exploration of the application of bilingual teaching in the course of Principles of Ecnomics in Xichang college， this paper aimed to study the exsiting problems in blingual teaching of Chinese present college，and also put forard the crresponding measures and suggestion on it