A stone in the throat usually refers to tonsil stones. Tonsil stones can be determined by symptoms, oropharyngeal examination, and to determine. 1. Symptoms: Tonsil stones are usually asymptomatic when they are small, and when they grow to the point where they protrude from the surface of the tonsils, the patient may experience a foreign body sensation in the pharynx. The foreign body sensation is fixed and persistent, and the symptom is more obvious when swallowing saliva. 2. Oropharyngeal examination: Oropharyngeal examination reveals grayish-white granular material, hard inside the tonsil crypts. It can be removed by tweezers or spatula. Patients with tonsil stones may experience symptoms such as foreign body sensation in the throat, sore throat, bad breath, etc. If these discomforts occur, consult a doctor for timely examination and proper treatment under the doctor’s guidance.