Inability to eat salty taste may be due to lingual inflammation, facial nerve paralysis, trace element deficiency and so on. 1. Tongue inflammation: Tongue inflammation is a disease that occurs in the mucous membrane of the tongue, which can lead to the symptoms of not being able to eat the salty flavor, in addition, the patient may also have tongue spots, tongue numbness, burning pain, pain when eating, saliva reduction and other symptoms. 2. Facial nerve palsy: Facial nerve palsy is a kind of disease caused by damage to the facial nerve, and patients with this disease can also have the symptom of not being able to eat salty flavor, and patients can also have the symptom of shallow nasolabial groove, drooping corner of the mouth, and so on. 3. Micronutrient deficiency: lack of micronutrients, such as zinc, iron and other deficiencies, can lead to atrophy of taste buds, which makes the patient can’t eat salty symptoms, in addition, the patient can also appear dizziness, fatigue, xenophagia and other symptoms. In addition to the above diseases, other causes can also lead to the patient’s inability to eat salty symptoms, it is recommended to consult a doctor in a timely manner to identify the cause and ask the doctor to deal with it.