The swelling on the cat's face may be caused by a fight. Pay attention to check whether there are obvious scars. If there are any, you can wipe and disinfect them with iodophor, and then take the cat to the pet hospital for examination and treatment to prevent other diseases that threaten the cat's life safety. , Sometimes allergies can also cause cats to have swollen faces, which are not easy to detect. Once the owner discovers the allergy, he should look for the source of the allergy and seek medical treatment in time.