How tonsil stones need to be examined needs to be determined by the location of the tonsil stone. Including general physical examination, superficial tonsil stones can be detected by probe examination, deep tonsil stones also need imaging examination. 1. Physical examination: tonsil stones can cause enlarged tonsils, and patients may have symptoms such as pharyngeal pain and foreign body sensation in the pharynx. First of all, we can ask the patient about his/her medical history, and then through visualization and palpation, we can get a general idea of the size and location of the tonsil stones. 2. Probe examination: If the tonsil stones are superficial and exposed on the surface of tonsil crypts, a probe can be used for examination, and a hard or gritty feeling can be detected. 3. Imaging examination: for deeper stones, finger palpation is not easy to touch, need to use X-ray and CT examination, can show the tonsil area high density shadow, can clearly show that there are stones in the tonsil, part of the stones can show the size of the stones. If you have discomfort in the throat and suspect tonsil stones, you should go to the hospital in time and be examined under the guidance of a professional doctor.