The chap is the skin cracked a gap, good in the thick horny layer of parts, such as the palms of the hands, soles of the feet, good in the winter dry skin of the people. The reasons for chaps are the following: 1, personal physical differences dry skin people with less skin oil content, prone to chaps; 2, seasonal reasons autumn and winter air moisture content less, which in turn leads to dry skin, chaps; 3, exposure to chemicals, acids and bases due to occupational or life reasons, such as hairdressing industry exposure to hair dyes, housewives contact cleaning products, chemical plant workers exposed to strong stimuli such as acids and bases Chemicals; 4, improper moisturizing care did not develop good moisturizing habits, after contact with water and stimulating items did not timely replenish an adequate amount of hand cream to form a protective layer on the surface of the skin, leading to the aggravation of chapping. Treatment is recommended to avoid irritants, external use of oil-rich ointment, such as mometasone furoate ointment and erythromycin ointment one-to-one transfer into oil, if necessary, the use of cling film sealing package, half an hour every night to help absorption. Live with more hand cream. More massage and rubbing of the hands to improve local blood circulation can improve the chapped situation to some extent. Usually ointments should all be highly moisturizing and mild in composition as the main requirement, avoiding cold, hot, acid and alkaline and other adverse stimuli.