Cnidium is a dry and mature fruit of the genus Umbelliferae. It is a traditional Chinese medicinal material. It has been recorded in ancient history books. It is mainly used in clinical practice and is mainly used for the treatment on gynecology and surgery. For diseases such as dermatology，male diseases are mainly based on internal medicine. Cnidium contains a variety of chemical components，mainly containing coumarins，volatile oils，sugars and various trace elements. Osthole is one of the main components of the effect of Cnidium. Modern pharmacological studies have found that osthole has therapeutic effects on diseases such as cardiovascular and cerebrovascular system，central nervous system，endocrine system and immune system.