In life, if a patient spits out very smelly white particles in the throat, it may be due to inattention to oral hygiene, often a large amount of food residue is stored on the root of the patient’s tongue or in the tonsillar fossa, and the residual food residue will decay and deteriorate after a long time. The formation of very smelly particles may affect normal social life, and sometimes the patient’s mouth will be smelly when talking. In terms of treatment patients should pay more attention to oral hygiene, rinse their mouths after meals, and brush their teeth in the morning and evening. At the same time, patients can use compound tinidazole gargle solution gargle, can effectively anti anaerobic bacteria formation, usually patients can also contain in the mouth with silver yellow tablets and watermelon cream tablets to treat. After the above positive treatment, after a week or so, the patient’s mouth with very smelly particles should be significantly improved.