The peeling of the skin after foot soaking is normal if it is not accompanied by uncomfortable symptoms, and no special treatment is needed. However, if accompanied by obvious itching, burning pain and other discomfort, considering that it is induced by contact dermatitis, need to take medication. The foot light powder belongs to a kind of Chinese patent medicine, which has the effect of clearing heat and drying dampness, killing insects and convergence of sweat, and is used for the treatment of tinea pedis. Because of the foot light powder can make local skin cuticle peeling, flaking, peeling, if the patient is not accompanied by physical symptoms, generally do not need to worry too much, not unauthorized peeling at the tear, peeling symptoms can be disappeared on their own. Foot light散泡脚后脱皮如果伴有红斑、丘疹、瘙痒、灼热、膨胀痛等症状，考虑是接触性皮炎。 Patients first need to stop using foot light powder, and under the guidance of the doctor external glucocorticoid drugs, such as hydrocortisone, dexamethasone, or oral antihistamines, such as loratadine, cetirizine, and so on. The patients who have peeling skin after soaking their feet in the foot light powder need to go to the regular hospital in time, and take relevant treatment measures under the guidance of the doctor. It should be noted that blistering, vesicular tinea pedis, children, pregnant women are prohibited to use foot light powder.