Itchy cracked skin on the hands may be due to contact dermatitis, eczema, ringworm and other factors. It is recommended to consult a doctor in time to identify the cause of the disease and then treat the symptoms. 1. Contact dermatitis: If the hands are in contact with irritating substances or allergic substances, such as disinfectants, laundry detergents, chemical reagents, etc., it will cause skin inflammation and damage, which will lead to cracks on the hands, flaking with itching and so on. 2. Eczema: a chronic inflammatory itchy skin disease caused by various internal and external factors, itching, blisters and other symptoms will appear on the hands, with the chronic development of the disease, there may be cracks on the hands of the skin. 3. Ringworm: When the skin of the hands is infected by fungi, there may be erythema, blisters, peeling, cracking with itching and other symptoms. Itchy cracked skin on the hands may also be related to other factors, it is recommended to consult a doctor in a timely manner, relevant examinations, under the guidance of the doctor for treatment.