Itchy palms are commonly caused by two causes, one is caused by hand eczema, and the other is caused by ringworm. 1. Hand eczema: common in contact with certain chemicals, such as laundry detergent, detergent, chemical paints, dyes, etc., but also due to long-term work in a humid environment or long-term gloves can be caused by hand eczema, the performance of the hand symmetrical dryness, flaking, erythema, blisters with itching. 2. Ringworm: mainly caused by fungal infections, symptoms and hand eczema roughly the same, but single-handed, and infectious, so need to avoid contact with other parts of the body, so as not to cause other parts of the fungal infection. It is recommended that the symptoms of itchy skin on the hands, timely to the dermatology department, timely treatment.