The experiment course of analog electronic technology plays a very important role in cultivating the practice and innovation ability of electronic majors. In order to improve the teaching quality of the course and the students' learning state, the teaching reform of analog electronic technology experiment based on the Rain class has been carried out. Under this teaching model, it is reformed to the teaching content, the teaching process and the assessment method. In the reform of teaching content, the main consideration is to cultivate students' interest, design and innovation abilities. The teaching process mainly includes preview, test, promotion, analysis and summary, online discussion. The assessment method is mainly focused on process assessment, rather than impression score and report. Under this teaching mode, students' enthusiasm and the abilities of communication and innovation are greatly improved.