Minimally invasive surgery to treat laryngitis, only for some patients have the effect, clinically not called chronic pharyngitis, divided into chronic pharyngitis and chronic laryngitis, a part of the patient in the chronic pharyngitis on the basis of a combination of coughing, hoarseness or vocal weakness, and can be called chronic laryngitis, minimally invasive surgery refers to the low-temperature plasma or microwave treatment of chronic pharyngitis of a method. Chronic pharyngitis is divided into chronic simple pharyngitis and chronic hypertrophic pharyngitis, as well as chronic atrophic pharyngitis, also known as dry pharyngitis. Chronic hypertrophic pharyngitis patients, the main symptom is pharyngeal discomfort, especially pharyngeal foreign body sensation is more obvious, clinical examination of the posterior wall of the pharynx has raised lymphoid follicles, with medication for conservative treatment of patients can be low-temperature plasma radiofrequency ablation therapy, can also achieve better results. Chronic pharyngitis can be caused by a variety of reasons, we must go to the hospital to do further examination to see what causes in the end, the cause of treatment in order to achieve good results.