Erythromycin ointment can be used to prevent infection caused by prostatitis, and daily attention to keep the scrotum clean and dry, avoid too tight underwear, and take a light diet. Most of the scrotum moisture is caused by chronic prostatitis. It can be manifested as sweaty, moist or cold scrotum and other symptoms, long-term scrotum moisture patients are prone to lead to scrotum inflammation, patients can use erythromycin ointment to prevent infection. Treatment is mainly based on controlling prostatitis, and generally the symptoms will be relieved after prostatitis is effectively controlled. Drugs need to be applied under the guidance of the doctor. Secondly, patients should pay attention to keep the scrotum hygiene clean and dry. Try to wear loose cotton underwear. Avoid spicy and stimulating food, and take a light diet. If there is itching may have caused scrotal inflammation, can be used externally metronidazole and other drugs. If the patient is not feeling well, he should consult the doctor for examination and early treatment.