There are many reasons for dry mouth, we should actively look for the reasons to solve the original disease can be lifted dry mouth, mainly including: 1, dry mouth is caused by drinking less water, this time we should drink more water and eat more fresh fruits and vegetables; 2, diabetes caused by dry mouth like drinking, this time actively control blood sugar can also solve the problem of dry mouth; 3, obstruction of the respiratory tract or respiratory system diseases caused by open mouth Breathing, or respiratory deep large cause too much water loss in the respiratory tract caused by dry mouth; 4, dry syndrome, pituitary tumor, chronic stomatitis, tongue inflammation and elderly glandular secretion reduction, these are the need to actively treat the original disease. Chinese medicine believes that dry mouth is mostly caused by stomach heat and yin, the disease is located in the lung and stomach, generally the short duration of the disease is manifested as dryness or fire and heat caused by the disease, the disease for a long time will consume qi and yin, resulting in yin deficiency or qi deficiency, to lift dry mouth to avoid eating spicy warm and hot products, eat more cool and moist fruits, such as pears, lilies, water chestnuts, sugar cane, chrysanthemum and other products with clear and moist, will lift dry mouth and tongue, Chinese medicine using clear dryness and heat, benefit qi and yin therapeutic effect are relatively good In addition, on the basis of identification, we usually choose to clear dryness and save lung soup or diarrhea white powder, clear stomach powder, white tiger soup, increase liquid soup, consistent decoction, lily solid gold soup, or use the method of promoting yang and dispersing fire such as tonifying the middle and benefiting qi for identification and treatment.