The patient coughed up large particles of very smelly stuff in the throat, considering that it may be tonsil stones. Tonsil stones are mainly due to repeated inflammation of the tonsils, resulting in fibrosis of the crypts, drainage is impeded, shed epithelium, lymphocytes, secretions, food debris and other caseous material formed in the crypts of the formation of small such as grains of sand, large such as pigeon eggs. Most patients are asymptomatic clinically and may be found incidentally during imaging tests. For larger stones, patients may experience symptoms such as sore throat, pharyngeal discomfort, bad breath, and stuffy ears. For small stones can be removed by spatula or pliers, and individual can be removed by negative pressure suction. Larger stones can be treated by considering tonsillectomy or incision lithotripsy. It is recommended that patients should pay attention to drink more water, develop good oral hygiene habits, keep the mouth clean, brush the teeth in the morning and evening, and rinse the mouth after meals.