First, the doctor should examine the oropharynx to see if there are any fish spurs on the posterior wall of the pharynx or on the surface of the tonsils bilaterally, which is the surface of the tonsils in most patients, especially in children. Secondly, if there is no fish spur in the oropharynx, further examination of the hypopharynx is necessary to determine whether there is a fish spur in the root of the tongue, the pyriform fossa, the valley of the epiglottis, the lateral wall of the pharynx, etc. If there is a fish spur, it can be removed with foreign body forceps under the guidance of indirect laryngoscopy. Third, if the patient cannot see the fish spur by the above methods, it is clinically recommended to do an electronic laryngoscopy, which can be more intuitive and precise to check whether there is a fish spur in the pharynx. If there is, the foreign body can be removed under the guidance of the electronic laryngoscope. In some patients, if the fish spike is stuck deep, with discomfort at the root of the neck and behind the sternum, it is clinically recommended to do an electronic gastroscopy.