Palatoglossal arch ulcers without pain and itching symptoms, it is recommended to take dietary adjustments and other general treatment, as well as external gargle to avoid infection. The palatoglossal arch is located in the pharynx, and the appearance of ulcerated lesions without clinical symptoms may be due to mechanical injury from food, and the absence of symptoms such as itching suggests that there is no infection and local inflammatory reaction or the reaction is mild, and timely intervention may lead to complete recovery. It is recommended that during the ulcer period, avoid drinking and smoking, and at the same time, take a light diet, avoid eating stimulating foods such as chili peppers, and maintain oral hygiene, insist on rinsing the mouth after meals, etc. In addition, you can choose cotrimoxazole. In addition, you can choose topical mouthwash such as compound chlorhexidine gargle to maintain local hygiene and prevent bacterial infection. If the ulcers do not heal for a long time, it is recommended to visit the hospital to find out the cause of the disease. The above medications are recommended to be used under the guidance of clinicians; if the palatoglossal arch ulcers do not heal, or if there are symptoms such as localized pain and itching, it is recommended to go to the hospital in time for medical consultation.