The main symptom is nasal congestion, which is sometimes persistent and sometimes alternating. The so-called alternating nasal congestion means that the nasal cavity on both sides of the patient is alternately ventilated, and when lying in bed, the nasal cavity on the upper side is ventilated while the nasal cavity on the lower side is not ventilated, and after turning over, the nasal cavity on both sides is then converted. This is caused by the nasal turbinate cycle. Normal people also have nasal turbinate cycle, but because the ventilation is sufficient, so do not feel nasal blockage, while patients with nasal turbinate hypertrophy often have a significant sense of inadequate ventilation, patients often suffer from this, and in serious cases affect sleep, work, study, long-term nasal congestion can also lead to memory loss, slow thinking and a series of heart and brain diseases. The enlarged turbinates can be treated with medication, but it must be noted that decongestants and other fast-acting, effective drugs can not be used for a long time, otherwise it will produce drug dependence, and even more serious, difficult to treat drug rhinitis. If the effect of medication is not good and the patient’s symptoms are obvious, surgery is needed. Among the various surgical methods for treating turbinate enlargement, submucosal partial excision of the inferior turbinate under nasal endoscopy has the most definite and long-lasting efficacy. Compared with the popular radiofrequency ablation of inferior turbinate, the biggest advantage of this procedure is that it protects the normal mucosa of the turbinate and is a truly minimally invasive treatment, and patients basically do not have sequelae such as nasal dryness or atrophic rhinitis after surgery.