Abstract: With the advent of the “Internet +” age, people's learning styles and learning platforms have undergone important changes. Based on wechat public platform, this paper created an online teaching platform and constructs an online and offline hybrid teaching mode of engineering thermodynamics for application-oriented university. By carrying out online and offline hybrid teaching design for pre-class, in-class and after-class, the teaching content system and teaching methods were improved from two aspects of teaching and learning, and the teaching effect was good enough, this teaching mode is generally welcomed by students recently.

Key words: “Internet +”, Wechat official account, Online and offline hybird teaching, Teaching mode reform