Itchy skin scratched ulcerated condition, may and dry skin, allergic dermatitis, pruritus and other factors related to the choice of saline rinse, strengthen moisturizing, applying glycerite lotion application, erythromycin ointment, as well as home care and other treatment. 1. Dry skin: the cause of itchy skin may be due to the loss of moisture on the surface of the skin, excessive dryness of the skin, at this time, you can use saline rinsing, and at the same time, topical skin care products to strengthen the skin moisturizing and moisturizing. 2. Allergic dermatitis: usually associated with contact with certain allergens, can be coated with glycerite lotion, can play the role of astringent itching. To prevent secondary bacterial infection, you can also apply erythromycin ointment. 3. pruritus: need to avoid excessive scratching, pay attention to skin moisturizing, try to wear cotton clothing, pay attention to develop good hygiene habits, soothe the mood, avoid anxiety and tension. There may be other reasons for itchy skin, it is recommended that the patient to the hospital, clear reasons, follow the doctor’s instructions standardized treatment, avoid excessive scratching and cause ulceration and infection.