Cracks on the fingertips may be caused by chronic eczema, contact with irritating substances or alkaline detergents, repeated inflammation, and fungal infections. 1. Chronic eczema leads to localized tissue hyperplasia and keratinization of the skin on the fingertips, and also affects the secretion of sweat from the skin, which then causes dryness of the skin and eventually leads to cracks on the fingertips. 2. Long-term contact with irritating substances at work or frequent use of alkaline detergents, resulting in fingertips in a long-term strong irritating environment, the cuticle on the surface of the skin in the finger area is damaged, and the skin of the fingertips can not maintain sufficient moisture. If you don’t often rub hand cream, the fingertips are prone to mouth. 3. Fingertip area for a long time in the chronic dermatitis, repeated inflammation, resulting in fingertip local skin roughness and hypertrophy, gradually lose the elasticity of the skin, drying when there is a collapse of the cracks. 4. Fungal infection, due to infection of fungi after the fingertip local skin tissue proliferation, which in turn leads to skin flaking, cracks, cracks, etc.. Finger cracks may also be caused by other reasons, it is recommended that patients consult a doctor in a timely manner to clarify the cause of the disease, under the guidance of the doctor symptomatic treatment.