Taro hand itch usually refers to the hand contact dermatitis that occurs after contact with taro, you can improve the symptoms through general treatment, medication and other ways. 1. General treatment: first need to stop touching the taro immediately, so as not to aggravate the symptoms, to keep the local clean, rinse the local with water, cold wet compresses, reduce symptoms. 2. Drug treatment: patients can follow the doctor’s instructions for external glucocorticoid drugs, such as hydrocortisone, halomethasone, etc., with anti-inflammatory, anti-allergic effect. You can also follow the doctor’s instructions to take cetirizine, ebastine and other antihistamines, to stop itching, anti-allergic effect. If the hand to taro allergic reaction, should go to the regular hospital, with the doctor standardized treatment.