Salty mouth can be seen as a physiological cause, mainly because the oral hygiene is not done properly. It is possible that food residues remain between the gums, leading to food ulcers and thus bacterial infections, resulting in the symptoms of salty taste. In addition, there are also pathological causes, such as abnormal oral infection, gingivitis, periodontitis, oral ulcers, etc. and caused by. Bleeding from brushing teeth and abnormal bleeding in the mouth can lead to the appearance of salty symptoms. Disorders of gastrointestinal function, such as poor digestion, may lead to salty symptoms in the mouth. Chronic pharyngitis, nephritis, kidney disease, etc. can also lead to salty symptoms in the mouth, but also pay attention to whether there is a nasal infection, chronic rhinitis, postnasal drip syndrome due to nasal mucus dripping into the throat, resulting in the appearance of salty symptoms in the mouth, so further prevention is needed.