Abstract: This paper analyzes the main problems existing in the teaching of Microcomputer Principle and Interface Technology in private universities, and introduces the basic teaching process of flipped classroom based on rain classroom platform. By comparing teaching experiments and questionnaires, by comparing teaching experiments and questionnaires, it is found that using the flipped classroom teaching method based on the rain classroom platform integrates the advantages of online and offline teaching mode and modern information technology, which can improve students' academic performance and stimulate students' learning initiative, it can enhance students' recognition of curriculum teaching.

Key words: Private universities, Flipped classroom, Teaching mode, Microcomputer principle and interface technology