According to Chinese medicine, the cause of dry nose and mouth is insufficient fluid in the body, which can be improved by drinking more water, lowering the temperature and using medication. 1. Drink more water: if you drink too little water, it is difficult for your mouth, lips, nose, skin and blood to be filled and nourished, so you are prone to the symptoms of dry nose and dry mouth, which can be alleviated by drinking more water. 2. Cooling: in the hot weather environment, easy to sweat, resulting in the body fluid is too little, can also appear dry nose and mouth dry reasons, so should try to avoid staying in a long time in a dry hot environment, can be relieved by turning on the air conditioning, blowing fans and other methods. 3. Medications: If there is little fluid in the body, you can nourish the yin and increase the fluid in the body to relieve the symptoms of dry nose and mouth by using medicines such as Six-flavored Di Huang Pill, Zhi Bai Di Huang Pill, Qing Di Lung Tang, Mulberry Apricot Tang, and Zeng Yi Tang. If the symptoms are not relieved after drinking water and cooling down the body, it is recommended to consult a doctor for diagnosis and treatment in time to prevent the condition from worsening.