The causes of itchy fingers include ringworm, hand eczema, sweat herpes, scabies, etc. The treatment is mainly due to the use of medication. 1. Ringworm: If the patient is ringworm caused by patients with itchy fingers, this time you can give antifungal drugs, such as ketoconazole ointment and other drugs antifungal treatment. 2. Hand eczema: if the patient is hand eczema, this time can give glucocorticoids, such as dexamethasone cream external anti-inflammatory treatment. 3. Sweat herpes: if the patient is because of sweaty hands and the phenomenon of itchy finger cracks, you can give fluoro easy or other steroid hormone cream and other medications, and in severe cases, oral prednisone. 4. Scabies: If the patient is scabies, you can give sulfur ointment to kill scabies treatment. Finally, the phenomenon of itchy finger cracks, please consult a doctor in time, the above drugs need to follow the doctor’s advice.