Cracked hands and feet may be related to physiological factors such as dry climate, and may also be related to pathological factors such as chapped eczema, tinea versicolor. 1. Physiological factors: daily due to the dry climate leads to dehydration and dry skin, there may be cracked hands and feet cracks. 2. Pathologic factors: (1) chapped eczema: belonging to a chronic eczema, mainly due to environmental and climatic factors, genetic factors, allergies, endocrine disorders, etc., often showing skin confined erythema, pimples, hypertrophy, chapped, flaking, etc., may lead to the emergence of cracked hands and feet cracks. (2) ringworm: mainly due to pathogenic bacteria infection, hot and humid environment, impaired immune function and other factors, often showing scaling, peeling, dry cracking, local skin blisters, accompanied by itching, burning and other symptoms, which may lead to the emergence of cracked hands and feet cracks. When cracked hands and feet occur, it is recommended to improve the living environment, if the symptoms can not be relieved and more serious, need to consult a doctor.