Academic leader of the Department of Endocrinology at Renji Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Chief Physician, Doctoral Supervisor, M.D. Specializes in the diagnosis and treatment of endocrine and metabolic diseases, with particular expertise in obesity and polycystic ovary syndrome, diabetes, hyperlipidemia, hyperuricemia, hyperthyroidism and hypothyroidism, Hashimoto's thyroiditis, subacute thyroiditis, and thyroid nodules. Has long been engaged in clinical and basic research on polycystic ovary syndrome and endocrine metabolism. Has presided over 5 projects funded by the National Natural Science Foundation of China and 1 sub-project of the National Key Research and Development Program. Published China's first "Endocrine Expert Consensus on the Diagnosis and Treatment of Polycystic Ovary Syndrome." Has published more than 150 academic papers as first author or corresponding author. Chief editor or general chief editor of 6 professional books and chief editor of 2 popular science books, among which "1000 Questions on Polycystic Ovary Syndrome and Female Reproductive Endocrinology" won the Second Prize of the 37th East China Excellent Science and Technology Books Award from Science and Technology Publishers. Has accumulated rich clinical experience in the diagnosis and treatment of obesity and polycystic ovary syndrome. Especially in patients with infertility, through scientific weight management and correction of endocrine and metabolic disorders, has greatly improved the chances of natural conception and increased the success rate of assisted reproduction, receiving high praise from a large number of patients and enjoying considerable recognition among peers.