The expert group that Doctor Zheng Dianzeng is in has established the case classification of diagnosis and treatment plan by clinical diagnosis and treatment of 600 cases of patients with prostatic disorders. So Doctor Zheng can provide patients with personalized symptomatic treatment on the basis of the patients with different prostatic diseases, besides, in order to help his patients get over depression and anxiety, he personally insists upon making rounds of wards and telephone follow-up to his patients every day. There is a silk banner with “Doctors’ humanity is entrusted with patients’ lives” on the wall of his office. Director Zheng Dianzeng says with a smile, “A large number of letters of thanks and silk banners have been put away; I am only a urinary surgeon, what I do is to fulfill the duty of a doctor.”