If the palatoglossal arch is swollen and painful, the cause of the disease should be clearly identified and treated, and the treatment includes paying attention to oral hygiene and medication. 1. If the palatine arch is swollen and red due to tonsillitis, you should take antibiotics, such as amoxicillin, cephalosporin and other drugs to reduce inflammation, and pay attention to oral hygiene. 2. If the wisdom teeth friction caused by the palato-lingual arch redness and swelling, at this time should go to a specialized hospital for wisdom teeth extraction, while taking antibiotics such as erythromycin, metronidazole, etc., to avoid wound infection and inflammation. Usually keep oral hygiene, can use hydrogen peroxide, chlorhexidine for gargling. There may be other reasons for the redness, swelling and pain in the palatoglossal arch, so you should go to the local medical institution to find out the reason and then go for diagnosis and treatment.