The occurrence of chronic pharyngitis is related to secondhand smoke, which is a predisposing factor for chronic pharyngitis, and the pathogenic components in secondhand smoke can also stimulate the pharyngeal mucosa to undergo an inflammatory reaction. Chronic pharyngitis is a chronic inflammation of the mucous membrane, submucosa, and lymphatic tissues of the pharynx. The development of chronic pharyngitis may be associated with environmental risk factors, including smoking and secondhand smoke. The tar and other toxins in secondhand smoke are no less damaging and toxic to the pharyngeal mucosa than active smoking. Patients with chronic pharyngitis should minimize or avoid inhalation of secondhand smoke, refrain from drinking alcohol, and avoid spicy and irritating foods to avoid triggering or aggravating chronic pharyngitis. At the same time should follow the doctor’s instructions to standardize drug treatment.