For the case of pain at the root of the tongue and pain even when swallowing saliva, there are more causes for this situation, which can be seen in foreign body at the root of the tongue, lingual papillitis, pharyngitis, acute epiglottitis and tonsillitis. If the corresponding symptoms appear, it is recommended that patients go to the hospital stomatology department for examination in order to clarify the diagnosis, and according to different diagnoses, choose different treatment options. 1, foreign body at the root of the tongue: due to accidental swallowing of foreign objects when eating, such as fish spikes, or children naughty, accidentally swallowed foreign objects, such as bamboo sticks, etc., stuck in the root of the tongue. A foreign body stinging sensation exists at the root of the tongue, and the symptoms may worsen when swallowing. You should go to the hospital in time to remove the foreign body under indirect laryngoscope or fiberoptic laryngoscope; 2, lingual papillitis: such as lingual lobar papillitis and lingual contour papillitis, etc., manifested as local pain in the lingual papillae, also feel pain in the tongue root, swallowing saliva are pain. Patients are advised to drink more water, avoid eating irritating foods, and need to follow medical advice to supplement vitamins. If there are local irritants, such as residual roots and crowns, they need to be removed promptly at the hospital. Locally available antibacterial solution, such as compound chlorhexidine gargle solution for gargling treatment; 3, pharyngitis: If patients usually eat more spicy, stimulating food, and drink too little water, dry weather, resulting in dry and itchy throat, tongue root pain, slobbering are painful, and even lead to aggravation of symptoms. For the treatment of pharyngitis, you can spray your throat with open throat sword spray under the guidance of your doctor, and avoid eating spicy food. It is also necessary to keep a happy mood in life and eat more vegetables and fruits. 4. Acute epiglottitis: such patients show difficulty in swallowing, pain in the throat, pain at the root of the tongue, and pain in all the saliva. Bacterial culture and laryngoscopy are needed to clarify the type of infection and apply relevant antibiotics, such as ceftazidime and amoxicillin, as prescribed by the doctor to control the symptoms of infection. If there is a local abscess, it needs to be treated by incision and drainage of pus; 5. tonsillitis: patients can show enlarged tonsils, painful discomfort, pain at the root of the tongue, pain in swallowing saliva, and even increased pain when swallowing. For tonsillitis, patients need to take blood tests to clarify the type of infection and apply antibacterial drugs, such as amoxicillin, as prescribed by the doctor. Patients also need to maintain oral hygiene and also exercise appropriately.