Dr Tian Long studied at Cornell University School of Medicine and the Center for Male Reproduction and Microsurgery at Florida Medical College. He studied under Professor Guo Yinglu, Academician of China Academy of Engineering, Academician of China Academy of Engineering and Guo Yinglu, the first andrologist in China. He used to be a postdoctoral fellow in the andrology center of Peking University No.1 Hospital, director of reproductive urology department of Beijing Chaoyang Hospital, and a special expert of Beijing Beike Reproductive Health Hospital. The first microsurgery for male infertility in China.