Medication steps: Step 1: Decoction of Chinese medicine (see the instructions in the bag for details) or Chinese medicine : one medicine, four parts of water one medicine, one part of water, put warm, gauze dip wash, 5-10 minutes. Step 2: After washing, apply Furfuryl topical to the affected area several times a day. Step 3: After the rash dries and peels off, stop using furnace glycerine and consolidate with topical herbal ointment. Home countermeasures: 1. Children should not play with sand and soil. Parents should keep an eye on their children, do not indulge them to play with water and soil recklessly, and replace cuffs and gloves promptly after they get wet. 2, do not buy children or avoid them to play with toys with rough surfaces or hard textures.