Brief introduction: Mr. Guan was born in a family of traditional Chinese medicine. At the age of six, he began to recite medical enlightenment books, such as Tang Tou Ge Ji, Medicinal Fu, Pulse Ji and so on. He has followed many famous Chinese medicine experts. Now he is the director of Tongrentang Yiguang, the chief physician of Tongrentang Chinese Medicine Hospital, the first representative inheritor of national intangible cultural heritage, and an expert of Tongrentang Group Expert Committee.