Medical Molecular Biology is a major foundational course in biomedical science and clinical medicine. and it is a science that studies the phenomena of life, the nature of life and its laws from the molecular level. The subject progresses and updates knowledge rapidly integrating with other disciplines. This course is a further development on the basis of biochemistry and molecular biology , related to clinical disease. Its content includes: basic concepts and knowledge of medical molecular biology, molecular basis of disease, genetic diagnosis, etc. We also focus on improving students' basic quality and raising students’ good self-study ability, scientific learning method and strict truth-seeking scientific attitude.