Director of Pediatrics Department of Liaocheng Second People's Hospital, Chief Physician, Member of Pediatrics Branch of Shandong Provincial Medical Association, Deputy Director of Pediatrics Branch of Shandong Provincial Preventive Medicine Association, Deputy Director of Pediatrics Branch of Liaocheng City Medical Association, Master's Degree Supervisor of First Medical University of Shandong Province, Professor of Binzhou Medical College, and Head of the Key Laboratory of Children's Respiratory in Liaocheng City.