Smoking is not recommended after sinusitis surgery. Harmful substances in tobacco can cause damage to multiple organs in the body and may also cause recurrence of the disease. Harmful substances such as tar and nicotine in tobacco will affect the health of the body and cause irreversible damage to multiple organs and systems of the body, such as bronchitis and lung cancer in the respiratory system, gastric cancer and gastritis in the digestive system, and coronary heart disease and arrhythmia in the circulatory system. In addition to the above hazards, smoking may also cause the recurrence of sinusitis, so it is not recommended to smoke after surgery, and advocate a regular routine in life, light diet, quit smoking and drinking to promote postoperative recovery.