Eyelid swelling and pain, in general, the common causes are mainly the following: a. Allergic reactions, especially seen in patients with allergic constitution, when exposed to dust, pollen and other allergens, there will be obvious swelling and pain in the eyelids. At this time, patients need to stay away from allergens as soon as possible, and reduce the swelling of the eyelids by injecting 25mg of promethazine intramuscularly and taking anti-allergy drugs such as loratadine orally to reduce the allergic allergic reaction in the body. Second, the patient accidentally fell and injured the eye during strenuous exercise, which can cause obvious swelling of the eyelid accompanied by pain. If the fall is superficial and accompanied only by local soft tissue injury, the patient can apply local ice for 24 hours. 24 hours later, apply hot amylin pack externally and take blood circulation and blood stasis pills orally to promote the absorption of eyelid swelling and reduce pain symptoms.