Objective: To increase the effectiveness of treatment of patients with snoring and obstructive sleep apnea in the field of segmental narrowing of the upper respiratory tract. Materials and methods: 20 patients with complaints of constant snoring and sleep apnea were monitored. All patients underwent cardio-respiratory monitoring. To determine the levels of narrowing of the upper respiratory tract, changes in the intensity of the MR signal from the anatomical structures of the upper respiratory tract (VDS) of all patients selected for surgical treatment were studied, followed by determining the effect of therapy. Results: The paper presents the results of treatment of patients with moderate obstructive sleep apnea. All patients underwent clinical and radiological examination to determine the level of narrowing of the upper respiratory tract. With narrowing of the common nasal passages, retropalatinal and retroglossal areas of the pharynx, appropriate surgical correction of HF was performed. After 2 months, obstructive sleep apnea was absent in 55% of patients, the index of hypopnea (IG) did not exceed 10 episodes per hour with a duration of hypopnea up to 14 seconds and maximum desaturation of capillary blood (SpO2) up to 95%. No snoring was noted in 45% of patients in this group, while 15% of individuals reported silent snoring in the supine position and occasional snoring of low intensity. Tactics of surgical treatment of patients with snoring and OSAS of moderate severity, aimed at eliminating obstruction of the airway during sleep at all levels and requires an individualized approach.