Abstract: Bilingual teaching is very popular in the modern China, and it helps the students to improve their English and obtain the advanced information. The teaching model is very important for the development of bilingual teaching. This paper intends to develop an effective and propagable bilingual teaching model based on the Environmental Science course of Xiamen University of Technology. This model includes preparation, interaction and feedback between teacher and students. The results showed that the application of PIF model can improve the confidence and scores of students significantly, and the failure rate decrease 25%. It indicated that this model can apply in other course after further study.

Key words: PIF bilingual teaching model, preparation, interaction, feedback