The redness and swelling of the face is generally often due to the following reasons: a. The patient accidentally falls on the face during activities, causing local soft tissue damage resulting in redness, swelling and pain. Patients can eliminate the symptoms of redness and swelling more quickly by applying local ice for 24 hours, applying blood circulation and stasis cream externally after 24 hours, and taking drugs such as swelling and pain orally. Allergic patients encountering pollen and other allergens will cause redness and swelling of the face and eyes. At this time, patients need to stay away from allergens as soon as possible and take oral anti-allergy drugs such as loratadine, and the redness and swelling of the face can subside more quickly. Patients with mouth ulcers and dental abscesses, due to the local acute inflammation will cause facial redness and pain, patients can eliminate mouth ulcers as soon as possible to solve the symptoms of redness and swelling.