Zhao Chai, deputy director of the Department of critical medicine and ward director of the fourth hospital of Hebei Medical University, chief physician, Professor, master's supervisor. Master's degree. From October 1999 to September 2000, he participated in the first youth backbone seminar in Hebei Province and studied in the Department of critical medicine of Huashan Hospital Affiliated to Shanghai Fudan University for one year. He is good at the treatment of critical patients such as severe acute pancreatitis, severe sepsis and septic shock, ARDS, MODS, etc. Director of Hebei Emergency Medicine Association, member of general practice branch of Hebei Medical Association, vice chairman of general practice branch of Hebei Emergency Medicine Association, member of Standing Committee of emergency branch of Hebei Health Association. Participated in a number of scientific research projects and published more than 20 professional papers.