Sometimes, people feel pain in their throat when swallowing saliva. There are many reasons for this condition, such as fire, acute tonsillitis and acute laryngitis, which can cause sore throat. 1, on fire. Chinese medicine believes that the fire in the human body is too vigorous, there will be a fire situation. When the fire, people will have a sore throat, swollen gums, yellow urine and other symptoms. Most cases of fire occur in hot and humid weather. If the symptoms of sore throat appear when you also have the symptoms mentioned above, it may be a fire. After the fire, you should drink herbal tea to clear the fire in your body. 2. Acute tonsillitis. The patient will experience symptoms of sore throat, which will intensify whenever the patient swallows saliva. If the painful swallowing of saliva is accompanied by fever and fear of cold, you may be suffering from acute tonsillitis and need a professional doctor to treat it. 3. Acute pharyngitis. Early pharyngitis patients will feel a foreign body sensation in their throats. Some patients will feel a dry throat, itchy throat, cough, sore throat, the pain level will be more obvious when swallowing saliva, patients with acute laryngitis will also have a cough, hoarse voice symptoms. If it is determined that the sore throat is caused by fire, you can lower the fire by drinking herbal tea and eating fruits on your own. If it is caused by other diseases, specialized treatment is required.