Possible causes of throat redness and inflammation include upper respiratory tract infection, pharyngitis, tonsillitis, etc. Treatments include general treatment, medication, and surgery. 1. Upper respiratory tract infection: those with mild symptoms can rest, drink more water, and generally do not need treatment. Secondary bacterial infection can take antibiotics such as penicillin, cephalosporin, levofloxacin and so on. 2. Pharyngitis: Acute pharyngitis can be gargled with saline. Chronic pharyngitis lymphoid follicle hyperplasia of the posterior pharyngeal wall can be cryotherapy; atrophic pharyngitis can be oral vitamin A, vitamin B₂, etc.. 3. Tonsillitis: acute tonsillitis caused by streptococcal infections, preferred penicillin, gargling with compound borax gargle. Chronic tonsillitis can use drugs (such as 5% ethanol procaine solution) to flush the tonsil crypts. Tonsillectomy can be performed if non-surgical treatment is ineffective. The cause of the disease should be identified and targeted treatment should be given. All of the above medications should be used under the guidance of a pharmacist or doctor, avoid self-medication.