When tonsil stones are large and untreated, they may cause inflammation of the tonsils, foreign body sensation in the throat, bad breath and other symptoms. 1. Inflammation of the tonsils: more stones, can block the tonsil crypts, easy to cause bacteria, necrotic tissue and other mixed tonsil infections, inflammation manifestations, sore throat, irritating cough. 2. Pharyngeal foreign body sensation: especially the larger stones deposited on the tonsil fossa, there is an obvious foreign body sensation when swallowing, sometimes accompanied by dysphagia, dry throat, itchy, and so on. 3. Bad breath: tonsil stones are formed by food debris, bacteria and other substances to form stones, deposited in the tonsil fossa, can not be discharged in a timely manner, easy to cause rotten egg taste in the mouth. Therefore, tonsil stones are recommended to consult a regular hospital in a timely manner, and need to comply with medical advice and standardized treatment.