Pharyngeal stones, generally referred to as tonsil stones, are mainly caused by enlargement of the pharyngeal crypts of the tonsils accompanied by secretions and calcium salt deposits. When the stones are large, they can lead to symptoms such as discomfort in the throat, bad taste in the mouth, or secondary infections leading to complications. The occurrence of pharyngeal stones is mainly related to the chronic inflammatory response of the tonsils, and in most cases there are no conscious symptoms. If the stone progresses over a long period of time and results in a large size, it may cause discomfort in the throat, foreign body sensation, dryness of the throat, itchy throat, tingling sensation and other manifestations; or lead to irritating cough, coughing up hard keratinized material or food residue; pharyngeal stones can also lead to the appearance of bad taste in the oral cavity. If the local stones lead to pharyngeal crypt mouth blockage, stimulate the infection will cause tonsillitis, tonsillitis, which can appear pharyngeal pain, dyspnea, high fever, chills, loss of appetite and other manifestations; if the infection spreads downward, it will also cause acute epiglottitis, laryngotracheobronchitis, caused by respiratory, swallowing difficulties. It is recommended that clinical symptoms, or examination of the pharynx found that the disease promptly consult the relevant treatment, to avoid the corresponding symptoms or complications caused by it.