Dr. Gang Yin graduated from the school of Clinical Medicine of Shandong Medical University in 1995, and received his Doctor's degree in urology in 2000. He is associate professor, and postgraduate supervisor of the urology department Qilu Hospital of Shandong University, the secretary of the urology Department, the secretary of the Youth Urology Department of Shandong Medical Association, and member of the urology department of Shandong Laser Society. He has been engaged in clinical, teaching and scientific research of urology for a long time and has rich clinical experience. He is good at diagnosis and treatment of urogenital tumors, prostate diseases and urolithiasis. Specializes in minimally invasive, intraluminal urological surgery, skilled in laparoscopic urological surgery, transurethral resection of prostate, holmium laser prostatectomy, bladder tumor resection, holmium laser ureteroscopic lithotripsy and other operations. He has published many articles in various domestic magazines, and now he is responsible for one project of Shandong Provincial Science and Technology Department and one project of Shandong Provincial Family Planning Commission.