Itchy hand skin after cutting yam can be improved by general treatment and medication. 1. General treatment: Itchy hands after cutting yams need to stay away from allergens and avoid touching yams again. You can also use water to soak and wash your hands to relieve the symptoms of itchy skin. 2. medication: patients can follow the doctor’s instructions for external use of hydrocortisone cream, Dinaid cream and other glucocorticosteroid drugs, with anti-allergic effect. Patients with severe symptoms can also take oral loratadine, levocetirizine hydrochloride and other drugs, with anti-itching effect. Itchy skin on the hands after cutting yam can be treated on its own if the symptoms are mild. If there are pimples, redness and swelling and other symptoms, it is recommended to consult a hospital and follow the doctor’s instructions for medication.