Patients appear below the pharynx has a foreign body stagnation cough out the bad smell of the situation, may be by not pay attention to oral hygiene, tonsil stones, sinusitis and other reasons related to the patient can improve the condition through general treatment, drug treatment, surgical treatment and other ways. 1. Not pay attention to oral hygiene: when patients do not pay attention to oral hygiene, may produce pharyngeal foreign body, coughing out the bad smell and so on, the patient should pay attention to personal, brush teeth on time, rinse the mouth in time after eating, to avoid eating stimulating food, if necessary, you can use mouthwash or gargle, such as povidone-iodine gargle, cotrimoxazole gargle and so on for treatment. 2. Tonsil stones: patients should eat a light diet, avoid spicy and stimulating food, for small stones can be removed with a spatula or pliers, and large stones can be treated by tonsillectomy, incision and lithotripsy. After removing the stones, chlorhexidine gargle can be used for local treatment to prevent infection. 3. Sinusitis: Sinusitis secretion is easy to backflow to the throat, the formation of phlegm in the throat, and accompanied by bad taste or odor, the patient should drink more water, pay attention to rest, and keep the bowel movement. The use of budesonide, metronidazole and other drugs can be used for treatment as prescribed by the doctor, and for patients with more serious conditions, they can be treated by nasal endoscopic surgery to alleviate their conditions. It is recommended that patients strictly follow the doctor’s instructions to use medication, actively cooperate with the doctor’s treatment, pay attention to the observation of the condition in life, if there is any abnormality in time to seek medical treatment.