The appearance of tofu scum-like changes in the male lower body is related to his own abnormal physical condition, the main causes of the corresponding conditions, including hygiene deviation, fungal infection, and coital contact caused. 1. Hygiene deviation: men who are circumcised and have a small cleaning frequency will have tofu-like changes in the coronary groove, which is caused by the deposition of foreskin scale. 2. Infection: some men with mold infection, inflammation, prolonged stimulation will also cause the corresponding situation, will be accompanied by the lower body obvious itching, tingling, tofu dregs-like discharge. 3. Cohabitation contact: women themselves have vulvovaginal pseudomycosis, there will be tofu-dregs-like leukorrhea, the process of coitus contact will cause men to contact, causing the corresponding changes. The male lower body tofu-like changes need to be combined with clinical symptoms, there is obvious itching, pain, we should consult a doctor in time to observe, diagnose the condition after the standardized treatment, to avoid causing delays in the condition.