The blistering of the corners of the mouth of the cold can be relieved by a light diet, adequate sleep, and, if necessary, can also be combined with the use of medication prescribed by the doctor. 1. Light diet: If you often eat spicy hot or butter hot pot and other foods in your normal life, it is likely to lead to blistering with rupture of the corners of the mouth, affecting the recovery of the wounds, so the patient usually need to try to consume more rice porridge, batter and other light, easy to absorb food. 2. Sufficient sleep: If you get enough sleep, it will help the body’s metabolism, which will allow the body to discharge harmful substances as soon as possible, but also reduce the stimulation of the organism, the cold blisters can play a certain effect of relief. 3. medication: under doctor’s guidance use some clear heat to go fire of Chinese medicine can play to relieve the situation of cold and flu blistering corner of the mouth, such as Huanglian Shangqing tablets, clear fire gardenia wheat tablets and so on. After the symptoms of cold blistering, don’t be overly nervous, take proper rest and keep a happy mood. If you need medication, you should consult your physician or pharmacist.