There are many reasons for cracks in the earlobes, including dryness, vitamin deficiencies, external trauma, eczema, and so on. 1. Dryness: A large loss of water in the body may cause the skin of the earlobe to crack, accompanied by a tingling sensation. It may also be due to dry or cold weather, can also lead to cracked earlobes, you can apply moisturizing cream to supplement the moisture, to ease the situation of cracked earlobes. 2. Vitamin deficiency: A lack of vitamin A and carotene in the body can lead to cracked earlobe skin. It is recommended to eat more fresh vegetables and fruits, and go to the hospital in time for trace element testing, so as to treat the symptoms. 3. External trauma: if accidentally hit, may cause earlobe skin scratch crack, and accompanied by bleeding and other situations. It is recommended to go to the hospital in time for debridement, and avoid contact with water, so as to avoid slow wound healing. 4. Eczema: Eczema of the earlobe can lead to pimples, itching, skin ulcers and scabs, etc., can be relieved with hormonal creams under the guidance of a doctor. If this situation has not been relieved, you need to go to the hospital in time, under the guidance of the doctor for treatment.