This course is designed for students in chemistry. We mainly introduce some important drugs which are close to our daily life. We will introduce the structure, property, synthesis and metabolism and so on about these important drugs, such as antibiotics: penicillin, cephalosporin; Anticancer Agents, hypoglycaemic agent, antipyretic analgesics and Vitamins and so on. It is not only interesting, but also important to our life. Besides, students should also guide the safe use of drugs in daily life to ensure their own health.