Usually, swelling of the face accompanied by fever is caused by the following reasons: 1, the most common is facial cellulitis, when the face is infected especially with bacteria, viruses, fungi and other atypical pathogens and microorganisms, there will be local purulent inflammation, especially in the rich capillary zone of the face, there will be cellulitis and cause swelling of the face and fever. 2, such as swelling of the face and fever is local rubbing some If the swollen face and fever are caused by the local rubbing of certain cosmetics or certain allergy-prone substances, the swollen face will also appear along with fever and fever. 3, such as endocrine and metabolic diseases, there will also be swollen face along with fever, such as thyroid dysfunction and adrenal cortical dysfunction, and the above clinical symptoms and performance will also appear.