Summer palm peeling may be physiological phenomenon, may also be sweat herpes, ringworm and other diseases. 1. Physiological phenomenon: because of the summer time, the weather is hot, the temperature is high, the palms of the hands are easy to appear, and relatively there will be excessive hand washing, and then lead to dry skin on the hands, so there will be peeling of the palms of the hands, which belongs to the normal physiological phenomenon. 2. Sweat herpes: the etiology of this disease is not completely clear, may be related to local allergies, other parts of the body skin fungal infection, etc., can be triggered by the climate hot and humid, mental stress, ultraviolet irradiation and other factors, resulting in patients with palms peeling, itching, pain and other symptoms. 3. Ringworm: this disease is superficial skin fungal infection, heredity, high temperature environment, malnutrition, easy to sweat and other factors will increase the risk of disease, so some patients will appear in the summer palms peeling performance. If the summer palms peeling excluded is a physiological phenomenon, the patient needs to go to the hospital to clarify the specific causes.