The phenomenon of itching after foot soaking is generally caused by acquired thermal contact urticaria and contact dermatitis, which can be treated with appropriate medications according to different causes. 1. Acquired heat contact urticaria: test tube with 43 ℃ warm water on the patient’s skin, a few minutes after the contact area can appear in the wind and erythema, accompanied by a tingling sensation, lasts for about 1 hour and subsides on its own. If necessary, oral histamine drugs, such as loratadine, etc., and avoid using too hot water to soak your feet. 2. Contact dermatitis: It is an acute or chronic inflammatory reaction that occurs in the contact area of the skin and mucous membranes after contact with certain exogenous substances. May be caused by contact with allergens when soaking feet, can be used externally with glycerite lotion to stop itching, if necessary, can be used externally with mometasone furoate and other glucocorticosteroid drugs, can also play a role in stopping itching and anti-inflammatory effects. Itchy feet may also have other reasons, it is recommended to the hospital in a timely manner, under the guidance of the doctor’s medication, do not blindly self-medication, in order to avoid adverse effects.