Wang Lantao, M.D., tutor of master's degree, director of emergency department of the fourth hospital of Hebei Medical University, master of thoracic surgery, doctor of general surgery, has many years of experience in emergency department and critical medicine, and rich experience in emergency treatment in various departments. He served as the deputy leader of shock and infectivity group of the first aid and resuscitation Professional Committee of Chinese Medical Doctor Association, and the appointed chairman of the cancer emergency Professional Committee of Hebei cancer prevention and treatment Federation.