There are reasons for blistering lips 1, and excessive internal heat causes blistering lips, and the most direct and main reason is "excessive internal heat" as mentioned by Chinese medicine. Generally, Chinese medicine believes that if there are symptoms such as sore throat, red eyes, chapped mouth, nose bleeding and periodontal swelling and pain, Chinese medicine considers it "excessive internal heat". Many people have the experience of blistering their lips due to the dry climate and sandstorm in winter and spring. Many people have the habit of licking their lips with their tongues. As soon as they keep their lips moist, they get drier and drier, forming a vicious circle. The drier and more painful they lick their lips, the more they will get angry and blister. 2. There are many reasons for herpes to cause blisters on the lips. Common reasons include blisters on the lips caused by cold sores. Cold sores generally occur during periods of low body resistance such as colds and fever, and women's menstrual period, and small blisters will appear around the lips. Highly contagious; 3, oral ulcers Oral ulcers cause long blisters on the lips, mostly white raised blisters, which can generally heal themselves in one or two weeks; The lip blistering caused by thrush is mostly caused by fungal infection, which is more common in infants and young children, and the elderly who take antibiotics for a long time often suffer from such diseases. These will cause the patient's lips to get angry and blister. Precautions for lip blistering, nursing methods 1, and ensuring good sleep. For excessive internal heat, many of them are suitable for those caused by less sleep time. Therefore, it is best to ensure good sleep. The daytime is gradually prolonged, and the nature is full of yang, so you can go to bed late and get up early, go to sleep before 12 every night and get up at 7: 00 in the morning, which is beneficial to supplement the yang in the human body. Because the sleep time at night is reduced, it is best to take a nap for half an hour at noon. When there is no nap condition, you can listen to some slow-paced music or close your eyes to help your brain recover from fatigue and make your energy more abundant in the afternoon. 2, intake of nutrition, work and rest in the usual diet, we must pay attention to reasonable nutrition intake, so as to better prevent and treat. At the same time, we should also pay attention to the combination of work and rest during illness, and don't work excessively for a long time. This will not only be inefficient, but also seriously affect the body's resistance and immunity, which will lead to more serious symptoms of excessive internal heat. 3, light diet Try to eat light food in the diet, don't eat foods with high calories and fat, don't eat cold food, and eat less warm foods such as mutton, and eat more high-protein foods such as lean meat, eggs and milk. Eat more cold foods such as duck meat and duck blood. You can also eat more vinegar, which has the functions of calming the liver, removing blood stasis, detoxifying and inhibiting bacteria. 4. Pay attention to oral hygiene. At the same time, we should pay special attention to oral health and hygiene problems in our daily life, because many times the causes of getting angry are closely related to the unqualified oral hygiene. In daily life, we should develop the habit of drinking more water and gargling more, so that we can effectively treat all kinds of symptoms of excessive internal heat.