The common reasons for the swelling of the face in the morning after a night’s sleep are as follows: First, the local allergic metaplasia caused by mosquito bites during the patient’s night sleep can be manifested as facial swelling in the morning, at this time, external rubbing of Bactrim or Ruyi Jinhuang cream can be given to control the local inflammation, avoid repeated scratching to avoid aggravating the infection, most patients have swelling of the face after 24-48 hours. The symptoms of swelling of the face can be relieved sooner in most patients after 24-48 hours and will not cause serious complications; secondly, in patients with cirrhosis loss of compensation, drinking a lot of water at night before sleep can cause more water accumulation in the body, and due to the obvious decrease in the ability of the liver to synthesize albumin, patients will have hypoproteinemia, and the water in the blood vessels will seep into the tissue loose interstices such as face and limbs, which will cause obvious swelling of the face. Patients are advised to limit water intake and supplement albumin, strengthen diuretic, which can effectively relieve the symptoms of facial swelling; iii. Local bacterial infection of the face or mouth, gingivitis, gingival abscess, mumps; iv. Allergy in the application of cosmetics.