In the process of thyroid surgery, the main manifestations of bilateral laryngeal recurrent nerve damage are that if the damage is minor, it may cause the patient’s voice to be hoarse. If the bilateral recurrent laryngeal nerve injury is more serious, it may cause the patient to have a loss of voice, and in serious cases, it may also cause the patient to have difficulty in breathing, or even asphyxiation. Therefore, timely treatment must be carried out, so as not to cause the patient to suffocate, resulting in the patient’s life safety is at risk. If the laryngeal nerve damage is found, it should be repaired in time, and the patient should be observed after the operation, and if necessary, the patient should be advised to perform a tracheotomy, so as not to cause respiratory difficulties, or even asphyxiation. Wait until the laryngeal recurrent nerve recovery, and then close the tracheotomy incision, the patient will be asked to breathe on their own, to observe the patient’s breathing, to avoid causing the patient to asphyxiation phenomenon.