Winter finger cracking may be related to physiological factors such as day climate, vitamin deficiency, etc., but also may be related to pathological factors such as ringworm, eczema, etc., according to the cause of the general treatment, medication and so on. 1. Physiological factors: (1) climate: due to the winter climate is dry and cold, daily do not pay attention to hand moisturizing, easy to lead to the emergence of cracked fingers, it is recommended to apply hand cream hydration and moisturizing, and at the same time to avoid frequent hand washing or contact with detergents and so on. (2) Vitamin deficiency: Due to the lack of vitamin B, it is easy to lead to cracked fingers in winter, it is recommended to consume more fresh fruits and vegetables, or follow the doctor’s instructions to supplement vitamin tablets. 2. Pathological factors: (1) ringworm: often show hand skin erythema, dandruff, blisters, vesicles, cracks, etc., easy to lead to the emergence of winter finger cracking. It is recommended to follow the doctor’s instructions to give anti-infective topical drug treatment such as ketoconazole ointment, clotrimazole ointment and so on. (2) eczema: hand eczema often chapped, often manifested as dry skin and cracks, accompanied by pain. It can be treated with topical glucocorticosteroids such as Dinaid cream as prescribed by the doctor. There are many other reasons for cracked fingers in winter, and it is recommended to consult the hospital in time and treat the symptoms under the guidance of the doctor.