Tonsil stone formation, there are mainly the following reasons: 1, the factor of age, the older the patient, the easier the formation of tonsil stones. Especially adults, adults tonsils are larger, tonsil crypts are also larger, which provides a good basis for the formation of tonsil stones. 2, adults may have hypertension and other types of diseases, long-term application of drugs can easily lead to the emergence of the side effect of dry mouth, once the mouth is dry, so that there is not enough secretion in the mouth to dilute the tonsil crypts inside the food debris, which can easily trigger the formation of stones. 3, some patients have chronic pharyngeal and throat problems. 3, some patients have chronic pharyngolaryngitis, long-term inflammatory stimulation of the mucous membrane of the throat is also easy to cause the formation of stones. 4, some patients may be long-term oral hygiene, do not pay attention to gargle after meals, resulting in food residue is very easy to stay in the tonsil crypts inside the food residue can easily be accompanied by bacterial infections, food residue and bacterial infections metabolites mixed together, the formation of a more stubborn Tonsil stones can be formed by mixing food debris and metabolites of bacterial infection.