The right side of the patient’s face is a little swollen. Generally, different treatment methods can be adopted clinically depending on the causes of the swelling. If the patient has a local swelling caused by oral ulcer and dental infection on the right side, the swelling of the face can be improved by intravenous injection of ornidazole, oral administration of watermelon cream tablets and keeping the mouth clean to promote faster healing of the ulcer and reduce oral inflammation. If the patient falls accidentally and causes swelling on the right side of the face, local ice can be applied to reduce tissue exudation and external rubbing of Oleogel and Furtalin ointment to promote faster healing of facial swelling and reduce pain symptoms. Third, allergic patients who come into contact with allergens will cause significant swelling of the right side of the face. At this time, patients need to stay away from allergens as soon as possible, oral paracetamol to reduce the allergic allergic reaction in the body, most patients can relieve the swelling of the face within 48 hours on their own.