The scrotum itching and pimples may be related to hygiene factors such as improper cleaning and tight underwear. After insisting on cleaning the vulva and replacing comfortable underwear for a period of time, the discomfort of the organism will gradually disappear. If the above-mentioned factors are ruled out, it is considered to be caused by diseases such as allergy and chronic lichen simplex, which should be examined by a doctor and treated in a timely manner. 1. Allergy: When the scrotum is stimulated by a hot and humid environment and impermeable clothing for a long time, allergic reactions such as scrotal eczema and contact dermatitis may occur, and the skin of the scrotum shows discomfort such as itching and red rash. 2. Chronic lichen simplex: Also known as neurodermatitis, it is related to The clinical manifestations are painless subcutaneous nodules at the lesion site, which can gradually develop into ulcers, granulation tissue, etc., accompanied by local itchiness, etc. Some people can mistake subcutaneous nodules for acne on their own observation. Patients are advised to go to the hospital for histopathology, cytology and other related examinations in time to make a diagnosis and treat the symptoms, but not to blindly use medication on their own. If the discomfort is caused by scrotal eczema, it can be treated with antihistamines such as promethazine hydrochloride tablets, prednisone acetate tablets or glucocorticoid steroids as prescribed by the doctor after the adverse stimulus is removed. At the same time, maintain good living habits, pay attention to their own hygiene, appropriate exercise, strengthen the nutritional intake, etc., so as to facilitate the body’s recovery.