Repeated cracks on the fingertips over the years may be caused by dry hands, eczema on the hands, ringworm on the hands and other reasons. 1. Dry hands: when the hands are over-cleaned for a long time or when they are exposed to alkaline detergents, such as laundry detergent, dishwashing liquid, etc., the skin will be damaged and the phenomenon of dry hands and cracked fingertips will occur. 2. Hand eczema: when the patient’s hands are in long-term contact with certain allergens or irritants, such as cosmetics, soaps, hand creams, jewelry, etc., it may induce hand eczema, peeling, blisters, cracks, itching and other symptoms. 3. Ringworm: caused by skin fungal infection, manifested as thickening, scaling and cracking of the skin in the palm area. Fingertips often repeated cracks may also have other causes, it is recommended to go to the hospital in time to improve the examination, under the guidance of the doctor treatment.