Pathological dry mouth, may be solid heat, may also be caused by deficiency heat, should be based on the evidence type to choose the appropriate tea, such as chrysanthemum tea, western ginseng tea. Physiological dry mouth and tongue can drink a moderate amount of water. However, a single flavor of Chinese medicine in water is limited to the active ingredients, it is recommended that the decoction method. In Chinese medicine, it is believed that dry mouth is mainly related to the body’s yang qi bias or yin fluid bias decline. In addition to dry mouth and tongue, the former also has face redness, fever, constipation, yellow urine and other manifestations. Chrysanthemum has the effect of clearing heat and fire (removing heat and fire from the body), so you can choose chrysanthemum and other medicines to make tea to drink. Chrysanthemum cannot be used for people with deficiency cold (weak and cold spleen and stomach). In the case of deficiency-heat syndrome, it may be accompanied by night sweating (abnormal sweating after going to sleep, but sweating stops after waking up), insomnia, excessive dreaming, red tongue with little moss, and fine pulse (pulse becomes narrower and finer and the rate increases), etc., which can be consumed with American ginseng tea. American ginseng cannot be used for solid symptoms. If the dry mouth is caused by physiological factors, such as hot weather, etc., it can be relieved by drinking moderate amount of water. The therapeutic effect of single Chinese medicine tea is extremely limited, if there is any discomfort timely hospital consultation, under the guidance of a professional physician, so as not to delay the condition.