The reasons for the peeling of the hands in summer are relatively complex, mainly due to exfoliative keratolysis, tinea versicolor, herpes sweat and nutritional deficiencies. 1. Exfoliative Keratolysis: can be symmetrically distributed in the palm area, accompanied by small white spots, will gradually expand with the development of the disease. The skin flakes are relatively light and thin, easy to recur, especially in the warm season. 2. ringworm: summer weather hot hand trauma, easy to lead to the infection of ringworm and other phenomena, can occur in the palm of the hand and between the fingers, and even spread to the back of the hand, there will be a large blisters drying after the emergence of localized peeling, there can be rough scales, accompanied by itching symptoms. 3. Sweat herpes: mostly caused by contact with irritating substances or mental stress and other factors, the hands will appear dense blisters, usually form fresh flakes off, easy to recur, accompanied by itching and burning sensation. 4. Nutritional deficiencies: mainly due to the lack of vitamins such as vitamin A, B vitamins, etc., often lead to summer peeling of the hands and other phenomena. Summer hands peeling, it is recommended to choose a regular hospital to do the relevant checks, usually pay more attention to good conditioning measures, especially in terms of diet to be strict with themselves.