Patients with a putrid taste in the throat are mainly seen in three cases. The first is likely to have chronic pharyngitis, there is often a large amount of phlegm secretion in the mouth, long time phlegm will breed anaerobic bacteria, so the patient’s mouth will have a rotten taste. The second, consider the patient does not pay attention to oral hygiene, patients do not brush their teeth after eating, do not gargle, there is often a large amount of food debris stored in the mouth, over time, there will also be a putrefactive flavor. The third, consider that the patient often smokes and drinks a lot of alcohol, so there will be an unpleasant flavor inside the throat. In terms of treatment, we must pay attention to oral hygiene, minimize smoking and drinking, and actively treat chronic pharyngitis at the same time. Clinically commonly used is Pu Di Lan anti-inflammatory oral solution, swelling pain an capsule, six god pill, patients can also use compound tinidazole solution gargle, can effectively light patients inside the throat rotting flavor.