Main research areas: lacrimal gland disease, orbital disease. I have been working in the field of lacrimal duct diseases for nearly 20 years, and have matured in performing endoscopic dacryocystorhinostomy, lacrimal duct laser catheterization, complex lacrimal duct trauma repair surgery, and lacrimal duct bypass reconstruction surgery. I have rich clinical experience in complex lacrimal duct diseases. We have rich experience in the diagnosis and treatment of common orbital diseases, and have maturely carried out common orbital tumor removal surgery, endoscopic orbital fracture repair surgery, thyroid eye disease surgery, and non-surgical treatment. Obtained 5 national utility model patents.