Scrotal fissures can be categorized as physiologic and pathologic. Physiological may be related to dry skin; pathologic may be related to scrotal eczema, scrotal inflammation, allergies and so on. If physiological reasons are excluded, it is recommended that the patient go to the hospital in time, so as to clarify the cause of the disease and treat the cause of the disease. 1. Physiological reasons: physiological scrotal fissures are generally related to dry skin. The scrotum skin is dry, the skin lack of water will appear the phenomenon of cracks. You can use glycerin, petroleum jelly and other moisturizing products to apply to the affected area. 2. Pathologic: (1) Scrotal eczema: there are a variety of factors that cause skin infections, which can be manifested as scrotal chapped eczema, with localized itching, redness, cracks and dryness of the skin, which can extend to the penis. (2) Scrotal inflammation: the infection of scrotal skin and subcutaneous, mainly manifested as scrotal pain, scrotal skin redness, swelling, itching, rash, etc., can also be accompanied by the symptoms of scrotal skin cracks. It is recommended that patients should pay attention to keep the scrotum clean and dry in daily life, avoiding it in a moist state. If exclude physiological reasons, patients are recommended to go to the hospital in time, clear to the cause of the disease, cause-specific treatment.