The basic principle of low-temperature plasma treatment is low-temperature ablation, that is, the use of low-temperature plasma radiofrequency energy, with a lower temperature <54 ℃ to excise and ablate tissue, both direct and indirect tissue damage is very small, the technology has been widely used in foreign ENT departments in recent years, the clinical results are also very satisfactory, to meet the modern pursuit of safe, painless, rapid and efficient requirements. Treatment scope: allergic rhinitis: nasal congestion, nasal itching, sneezing, clear snot; chronic rhinitis, nasal polyps: nasal congestion as the main symptom; chronic tonsillitis: frequent inflammation of tonsils (sore throat, fever recurring); tonsillar hypertrophy, adenoid hypertrophy: affect breathing, swallowing, sleep snoring, breath-holding; snoring, obstructive sleep apnea syndrome: sleep snoring, breath-holding, etc.