Abstract: With the development trend of educational informatization, online and offline integrated teaching has become a hot topic in teaching mode research, and has also had a profound impact on the English teaching mode in vocational colleges. Combining the talent cultivation goals of vocational colleges, fully utilizing online teaching platforms and network resources, and integrating project-based teaching into the process of vocational English oral teaching can stimulate students'enthusiasm and autonomous learning ability in learning English oral. This article aims to construct a hybrid teaching model based on vocational English oral teaching projects, and conduct research on teaching process optimization from three stages: oral project preparation, oral project presentation, and oral project evaluation, in order to enhance vocational English application abilities of vocational students.

Key words: Project based teaching, Vocational English, Oral English, Blended teaching, Teaching mode, Autonomous learning