Deep learning has become the main research topic in the field of education. How to promote deep learning and cultivate the ability of deep learning is one of the important issues in the current educational reform and development. Professor Zhang Xuexin, Department of Psychology in Fudan University, based on the individual class teaching practice and other aspects of the theoretical research like psychology, put forward the Presentation Assimilation Discussion (PAD) teaching model. Its teaching process, teaching objectives and learning ability cultivation dimensions are conducive to students to achieve depth learning. It is an effective class teaching model to promote students to improve deep learning ability.