A thorn in the throat, first need to check the location of the thorn, can be used tongue depressor tongue pressure to check the oropharynx, if not found, can be used indirect laryngoscopy or fiberoptic laryngoscopy to check the larynx, the specific removal needs to be based on the situation, its operation is different. For spines located in the pharynx, if the pharyngeal reflex is not strong, they can be removed directly with lance forceps; if the pharyngeal reflex is sensitive, 1% dicaine can be sprayed 3 times, and then they can be removed with lance temporal. For the thorn located in the pharynx, generally need to use 1% dicaine for surface anesthesia of the larynx, when it is not sensitive to indirect laryngoscopy or fiberoptic laryngoscopy guided, with a fish splinter forceps to take out the thorns, should not be removed within half an hour of drinking water and eating to avoid choking.