Redness, swelling and pain in the lower eye and face are generally common for the following reasons: a. Patients accidentally fall, which can cause damage to the soft tissues of the face, resulting in redness, swelling and pain in the lower eye and face. This is the first time that a person needs to be disinfected with iodine as soon as possible to avoid serious infection. After disinfection, ice packs should be applied continuously to reduce tissue exudation, and after 24 hours, hot ointment packs should be applied externally and blood circulation and blood stasis cream should be applied externally. In patients with allergies, exposure to allergens such as pollen and dust can cause allergic reactions in the body, which can manifest as redness and pain in the lower eyelid. At this time, patients need to stay away from allergens as soon as possible, while taking oral loratadine, intramuscular promethazine, intravenous vitamin C, calcium gluconate and other anti-allergic drugs to reduce allergic reactions in the body.