Invited by the headquarters of the World Health Organization, he served as a member of the Executive Committee of WHO experts on child and adolescent health and development, and served as a temporary consultant for many times. Part-time job in academic organizations, mainly as a member of the international tuberculosis and lung disease association; Chairman of Child Health Branch of Chinese Preventive Medicine Association; Member of Academic Committee and Degree Committee of Capital Institute of Pediatrics, editorial board of China Journal of Practical Pediatrics, China Journal of Maternal and Child Health Research, China Journal of Reproductive Health, and China Journal of Child Health Care, etc. Editor-in-chief or participated in the compilation of monographs such as Integrated Management of Childhood Illness, Health of Children and Adolescents and Maternal and Child Health Care, Child Health Care, Pediatrics of Disaster, Pediatrics of Development and Behavior, and many popular science books such as Training Course for Novice Mothers.
At present, the scientific research projects undertaken by the Ministry of Health, the World Health Organization and UNICEF are mainly cooperative projects, such as "integrated management of childhood diseases", "feeding and nutrition of children" and "integrated development of young children".