If the sore in the throat is caused by an ulcer in the mucous membrane of the throat, such as in the oral cavity or oropharynx, you can spray the ulcer with watermelon cream spray, and take oral Chinese medicine to clear heat and detoxify, as well as vitamin B2 and vitamin C. If the ulcer is in the laryngopharynx, no local medication can be used, only systemic medication as above. If there is redness and swelling around the ulcer, treatment with sensitive antibiotics is also needed, and Chinese herbal medicine can also be used for treatment. If the herpes is due to a viral infection, the main treatment is symptomatic, drink more water, keep the mouth clean, and rinse the mouth with light salt water. Whether the mucous membrane of the throat is ulcerated or viral infection, it is very important to pay attention to the diet, not to eat spicy and irritating food, no smoking, no alcohol, more fruits and vegetables, specific medication, you need to go to the Department of Otolaryngology for a clear diagnosis and treatment.