He is good at screening and comprehensive treatment of type 2 and type 1 diabetes mellitus, assessment of islet function, prevention and treatment of complications, individualized treatment of refractory diabetes and severe complications, individualized treatment of gestational diabetes mellitus and gestational thyroid disease, and comprehensive treatment of thyroid nodules, hyperthyroidism and hypothyroidism. He can provide specific analysis for patients with metabolic diseases such as diabetes, hyperuricemia, obesity, thyroid disease, etc, and guide patients in self-management of above diseases, as well as life and psychological guidance.