Patients with ankle pain in allergic purpura can be improved by physical therapy or treated with medication. Usually the combined treatment is the only way to achieve improvement and relief from allergic purpura ankle pain. A. Physiotherapy: allergic purpura ankle pain is usually caused by the histamine substances released by the organism after the patient’s allergic reaction to the ankle and its surrounding tissues causing irritation, which may lead to ankle swelling and pain. This is the time to improve through physical therapy, patients can first do local cold compress treatment, through cold compress can shrink local soft tissue and blood vessels, to avoid exudation aggravation, also can avoid local swelling feeling aggravation, so as to relieve allergic purpura ankle pain, after a period of time can be changed to hot compress, and with massage to accelerate local blood circulation, also can relieve the symptoms of allergic purpura ankle pain. ; 2, use immunosuppressants: allergic purpura is caused by the dysfunction of the patient’s own immune system and the immune system attacking normal tissues, so patients can use drugs such as compound cyclophosphamide tablets, which can inhibit the immune system’s attack on normal tissues, thus achieving the purpose of relieving allergic purpura and also relieving the phenomenon of allergic purpura ankle pain; 3, use antipyretic and analgesic drugs: if the allergic purpura patients have obvious ankle pain, you can use acetaminophen tablets, ibuprofen extended-release capsules and other drugs to relieve the ankle pain of allergic purpura by reducing the body’s sensitivity to pain.