This paper introduces the formation process of academic thoughts of Professor Xu Fusong, a famous andrologist, and summarizes his academic thoughts and clinical experience. The details are as follows: ①To trace the classics, structure the system and standardize the names and treatment of diseases in andrology. ②To establish the outline, advocate new theory, promote and sublimate innovative theory of andrology. ③To improve the thinking of andrology on diagnosis and treatment by valuing the whole and identifying the correlation. ④To emphasize the kidney as the pivot in andrology by identifying pathogenesis and differentiating the internal from the external. ⑤To accept new knowledge, focus on scientific research, and develop andrology in traditional Chinese medicine by integrating traditional Chinese and Western medicine.