Cold does not usually lead to face swelling, it may be liver and kidney problems, or may be allergic reaction, you should consult the doctor in time to find out the cause. 1. Liver and kidney problems: When patients have swollen face when they have a cold, first of all, we should exclude the facial swelling caused by hypoproteinemia due to some liver and kidney diseases, especially kidney problems, such as acute glomerulonephritis. It is recommended to take blood tests for liver and kidney function to see if the protein and creatinine are normal, and also need to carry out ultrasound examination of liver and kidney. 2. Allergic reaction: As the immunity of the human body decreases during colds, if the patient eats some food or drugs that are easy to make him allergic, it is easy to cause allergic reaction, which will lead to swelling of the face. The swelling of the face after a cold is an abnormal situation, must go to the hospital in time to improve the relevant examination, find the cause of the disease and then targeted treatment, so as not to miss the condition.