The phenomenon of white tongue during the cold may be caused by the following factors: 1. The patient has a cold caused by wind chill, so the patient will have a pale tongue and white tongue, and the patient will also have symptoms such as bad chill, body aches, sneezing, runny nose and cold hands and feet. 2. It is possible that the patient has indigestion during the cold, resulting in a white tongue and a thick tongue. 3. It is also possible that the patient may have eaten too cold or too greasy food during the cold and the white tongue moss is caused. When a patient has a cold and a white tongue, he should go to the hospital in time and take Chinese medicine under the physician’s diagnosis to regulate the treatment. The patient should also pay attention to drink more water, avoid eating cold food, and pay attention to keep warm.