Graduated from the Department of Medicine of Shandong Medical University in 1982, he has been engaged in clinical ophthalmology, teaching and scientific research for more than 20 years. He studied under the famous ophthalmologist Professor Zhang Puyun. He received a master's degree in ophthalmology in 1987 and went to Harvard University and the United States. After studying at Boston University, he is mainly engaged in the clinical diagnosis, treatment and research of senile cataracts, corneal diseases, artificial corneas, tear duct diseases, etc. He has developed a number of leading domestic and foreign clinical diagnosis and treatment methods for difficult diseases and won many awards. As a patentee, he developed a new type of tear duct probing and drainage device that was granted a national patent and was approved for production by the state. Its clinical application has achieved good results. Chief editor of 2 books and co-editor of 3 books. He has published more than 50 papers in famous domestic and foreign magazines such as "British J Ophthalmology", "Invest Ophthalmol & Vis Sci", "Chinese Journal of Ophthalmology", etc., and has been cited by SCI and CA many times. As a project leader, he has undertaken a number of scientific research projects including the National Natural Science Foundation, the National Ministry of Health, the Ministry of Education, the Provincial Department of Science and Technology, and the Department of Health. Among them, the research on artificial cornea is at the international leading level, and the results won the second prize of the Natural Science Award of the National Ministry of Education. and the second prize of the Science and Technology Progress Award of the Shandong Provincial Department of Science and Technology; in 2003, he was funded by the National Outstanding Youth Fund. In recent years, the total funding for the project has exceeded one million yuan. In 2004, he was hired by the Shandong Provincial Department of Health as one of the first batch of outstanding medical and health disciplines in Shandong Province. Take the lead.