Mouth tasteless saliva may be tongue disease or salivary gland disease, different causes of different treatment methods, the main methods include taking drugs or surgical treatment. 1. Tongue disease: tasteless saliva may be a tongue inflammation, anemia, malnutrition, abuse of antibiotics can lead to inflammation of the papilla of the tongue, under the stimulation of inflammation, self-conscious mucosal sensory abnormalities, diet tasteless, treatment can be gargled chlorhexidine hydrochloride, inflammation of the oral antibiotic amoxicillin, iron supplementation to correct anemia. 2. Salivary gland diseases: tasteless saliva may also be salivary gland inflammation caused by excessive salivary secretion, for virus-induced salivary gland inflammation, the use of antiviral drugs acyclovir, bacterial infections caused by oral antibiotics metronidazole, roxithromycin, and other medications, if necessary, must be surgically incised to drain the inflammation. The treatment program of the mouth tasteless saliva need to check the oral cavity, diagnosis of the disease after targeted treatment, the use of drugs need to follow the doctor’s instructions.