In this case, Chinese medicine believes that it is a kidney problem. Kidney is the main cause of shock and fear in human body. If people's kidney qi or kidney essence is damaged, they often have some scary dreams. Generally, people who have these dreams have had some experiences of losing sperm or being scared, or changes have taken place between family and relatives. For this kind of people, we usually use hot medicine to help them dispel cold, phlegm and blood stasis; In addition, mineral drugs should be added.