Chinese medicine believes that the feeling of saltiness in the mouth is related to kidney deficiency and the overflow of cold water. Chinese medicine practitioners believe that saltiness in the mouth is related to kidney deficiency and the flooding of cold water. Each of the five organs is responsible for five flavors, and salty is the flavor of the kidneys. Long-term disease and kidney, kidney yin deficiency, false fire inflammation, frying the kidney fluid, kidney fluid multiply can cause salty mouth. In addition, the kidney yang deficiency gasification powerless, can not master water, cold water flooding in the mouth can also be seen in the mouth salty, mostly seen in kidney edema. There are also due to the high age of the kidney qi is not solid, the kidney fluid to take advantage of the self-conscious salty mouth. Treatment is based on tonifying the kidneys. For kidney yang deficiency, warming kidney yang to control water-dampness is the method, and Jin Gui Kidney Qi Pill is added to make the water seep down and the swelling disappears, and the salty mouth also disappears naturally. In case of Yin deficiency, the kidney fluid will be nourished to reduce the deficiency fire, and Zhi Bai Di Huang Wan and Da Zhen Yin Wan will be added and subtracted; in case of old age, Jin Lock Gu Jing Wan will be added and subtracted. All the above medicines should be taken according to the doctor’s prescription. If the symptoms are serious, 4. Dampness attack: Dampness will affect the spleen’s function of transportation and digestion, resulting in internal dampness and salty mouth. There are many reasons for salty mouth, so it is recommended to go to the hospital in time to find out the cause and get timely treatment.