Dr. Liu is a Third-class Professor of Shandong University. He received his Ph.D. degree at Karolinska institute, Sweden. Professor Liu served as the Chairman of Urological branch of Shandong Physician Association. His is interested in the clinical management and research of the Urological Oncology and andrological disease, especially in the diagnosis and the minimally invasive treatment of urological oncology, prostate dysfunction and male infertility. Nowadays his research focuses on understanding the mechanism of the carcinogenesis and progression of prostate. His work has received funding from the National Science foundation of China and the Provincial Science foundation of Shandong.