The research direction is gynecological tumors, and the key research direction is the etiology of cervical cancer and the improvement of surgical methods; Chemotherapy and surgery for ovarian cancer; Improvement of chemotherapy scheme for trophoblastic tumor. It turns out that pelvic lymphangiography of the medial malleolus is not only simple to operate, but also greatly shortens the operation time. Ovarian transplantation and ovarian transposition for young patients with cervical cancer were first carried out in China, and achieved good results, which were popularized and applied in China. At the same time, the basic theory and feasibility of fetal ovarian transplantation were studied in detail, which laid a theoretical foundation for fetal ovarian transplantation. The VCM scheme designed by Professor Qin Shihuang has the advantages of good curative effect, quick response, light side effects and low cost, which is well received by patients. In recent years, in view of the younger trend of cervical cancer, especially the relationship between human papillomavirus infection and cervical cancer, we participated in the research of human papillomavirus gene chip for the first time in China, won the second prize of scientific and technological progress in Henan Province, and obtained the national patent. Over the years, Professor Qin Shihuang has devoted a lot of energy to colposcopy and cytological examination of vaginal exfoliation, and accumulated rich clinical experience and many precious pictures and materials. Professor Qin Shihuang has held more than ten domestic and provincial colposcopy training courses and trained a group of professional doctors. 1998 published the first colposcopy atlas with detailed contents and true and perfect pictures in China. In 2009, the second edition of Atlas of Colposcopy and Atlas of Liquid-based Cytology of Cervix/Vagina were published.
Over the years, he has undertaken many scientific research projects, such as estrogen level and the cause of cervical cancer, umbilical cord blood stem cells for gynecological tumors, and human papillomavirus gene chip research. He won 4 second prizes and 7 third prizes for scientific and technological progress in Henan Province. Published 5 monographs, including Atlas of Colposcopy, Latest Treatment of Obstetrics and Gynecology Diseases and Cervical Diseases. Published more than 50 papers in national and provincial magazines.