Zhang Xiaojing has rich clinical experience and high attainments in the diagnosis and treatment of gynecological diseases, especially gynecological tumors, infertility, obstetric complications and complications, and gynecological endocrine diseases. Especially good at all kinds of laparoscopic surgery, standardized comprehensive treatment of gynecological malignant tumors such as cervical cancer and ovarian cancer, treatment of intractable postpartum hemorrhage and postpartum DIC, and has an authoritative position in western Chongqing. In recent three years, he has presided over a number of new technologies such as laparoscopic extensive hysterectomy+pelvic lymph node dissection, laparoscopic complex hysterectomy, hysteroscopy and pelvic floor reconstruction, which are in the leading position in western Chongqing and promote the development of minimally invasive technology in western Chongqing. In recent three years, he published 5 scientific research papers, participated in 2 municipal projects in Chongqing, and presided over 3 projects in Yongchuan Hospital affiliated to Chongqing Medical University. As the director of obstetrics and gynecology, he has been adhering to the principle of strengthening the construction of teaching staff and striving to improve the quality of teaching, and has successfully completed various teaching tasks, and all teaching evaluation results rank among the top three in the college. In the past three years, he has presided over 2 educational reform projects at college level, participated in 3 educational reform projects at city, school and college level, and published 4 educational reform articles. Participate in the textbook "Health Management and Health Care for Key Population" compiled by Yongchuan Hospital affiliated to Chongqing Medical University.