Whether it is better to do CT or laryngoscopy for throat examination needs to be chosen according to the specific condition. CT examination is mainly to analyze the anatomical cross-section to determine the nature of the lesion, it can see the examination site of the various levels of surface and deep lesions in the soft tissues of the throat, but also to determine whether there is metastasis. However, it should be noted that because of the existence of a certain amount of radiation in this examination, women who are preparing for or during pregnancy should choose carefully. Laryngoscopy has both diagnostic and therapeutic roles, and can visually examine laryngeal diseases, such as determining whether there is congestion and edema in the mucous membrane of the pharynx, and whether there is tumor growth and tumor morphology, etc. If there is a foreign body, it can be removed directly. If there is a foreign body can be directly removed, or localized pathology examination. It should be noted that before doing laryngoscopy, pay attention to not drink water, so as not to irritate the throat during the examination process, leading to coughing and vomiting, resulting in aspiration. Pharyngeal examination to do CT or laryngoscopy, such as to see the patient’s larynx intuitive situation, more laryngoscopy; such as checking the deep lesions of the feasible pharyngeal CT examination, if necessary, the feasibility of enhanced CT.