There are more reasons for cracked fingertips, which may be caused by frequent hand washing, contact with alkaline substances or dry weather, or may be a symptom of chronic ringworm, chronic hand eczema or exfoliative keratolysis. 1. Frequent hand washing or total contact with alkaline substances can cause the epidermal oils on the hands to peel off, resulting in dry and cracked fingertips, with the backs of the fingers usually being more obvious. 2. Dry weather and little moisture in the air cause the moisture in the skin of the fingers to evaporate easily, resulting in cracked fingers. 3. Chronic ringworm is caused by a fungal infection that is mainly transmitted through skin-to-skin contact, and some people are infected by fungus on their feet or other parts of their hands. Usually start from a hand attack, gradually spread to the other hand, chronic ringworm manifested in the fingertip skin roughness and hypertrophy, finger peeling cracks, cracks at the pain is obvious. 4. Chronic eczema is caused by a variety of internal and external factors, and long-term contact with cement and other irritants. Chronic eczema is usually symmetrical onset of both hands, rough skin, often accompanied by dry cracks and itching. Fingertip cracks should be promptly go to the hospital dermatology consultation, clear cause of disease and follow the doctor’s instructions for medication.