Dry skin and fungal infection can lead to cracking of the soles of the feet of patients, appearing on the soles of the skin flaking, serious cases may appear large areas of skin loss caused by pain, affecting normal life, common causes of cracked soles of the feet are: 1. Dry skin: cold, dry environment blood circulation and skin elasticity is affected, easy to cause foot cracking. Some older people have fewer sebaceous glands, sweat glands secretion, relatively dry skin, prone to skin keratin thickening, flaking or cracking, common in the heel of the foot. Excessive cleaning can also lead to dry skin, especially the use of irritating soap, bathing lotion, etc., will aggravate the dry skin; 2, fungal infection: patients with sweaty feet and poor hygiene awareness can easily lead to foot fungus, hyperkeratosis type foot fungus occurs in the palmoplantar area and heel, the lesions are dry, keratin is significantly thickened, and cracks can appear; 3, other conditions: such as ichthyosis, chronic eczema and other diseases, and when the body lacks vitamin A and vitamin E, can lead to dry and cracked skin on the soles of the feet. In case of ineffective medication, aggravation or breakage of cracked areas, patients should go to the hospital and optimize the treatment plan after examination by a professional dermatologist, and patients should not use medication at their own discretion. Patients should pay attention to personal hygiene, wear breathable and comfortable shoes and socks, and also avoid sharing towels, slippers and other items with others to avoid cross-infection.