The physical examination of sublingual nerve injury first reveals unilateral or bilateral tongue movement disorder, followed by tongue muscle atrophy and muscle bundle tremor; the mouth and lips are often weak and unable to puff, even when using fingers to press the nostrils closed often still can not puff the cheeks, only when pressing the lips to close the mouth puff. The palatal arch is paralyzed and the sucking reflex is absent. Tongue muscle atrophy with or without tongue muscle tremor and abnormal brainstem reflex. How to effectively prevent signs of sublingual nerve injury? The most serious symptoms of medullary palsy are often speech disorders, swallowing disorders, often with food and a large amount of saliva retained in the mouth, causing frequent choking and coughing, but coughing is often weak, aspiration pneumonia and asphyxia often occur, and finally chewing difficulties occur in patients, the inability to bite hard food, only soft food and semi-liquid food; in severe cases must rely on the nasal feeding tube to maintain food, and finally died of exhaustion In severe cases, the patient must rely on a nasal feeding tube to maintain food intake, and eventually dies of failure. In the case of medullary paralysis, in addition to treatment of the cause, symptomatic treatment is also important. For patients with dysphagia and dyspnea, corresponding treatment should be done, such as nasal feeding, intravenous rehydration, prevention of infection, tracheotomy if necessary, etc. (1) Tumors in the craniocervical junction area include tumors originating from the greater occipital foramen, tumors growing in the spinal canal from the superior occipital foramen and tumors developing from the high cervical segment to the posterior cranial fossa. Tumors in this area need to be removed surgically regardless of the pathological type of the tumor, and cerebrospinal fluid shunt should be performed in time if it is accompanied by hydrocephalus. (2) Benign tumor of jugular foramen area should be surgically removed once it is diagnosed. (3) Treatment of subungual neuroma should strive for total resection. (4) Congenital foramen occipitalis malformation refers to the congenital abnormal development of foramen occipitalis and upper cervical spine (special area of craniocervical migration) at the base of skull, often accompanied by neurological damage, or neurological malformation occurring in this area alone. These include flattened skull base, skull base depression, atlanto-occipital fusion, cervical subsegmentation, atlanto-axial dislocation and subungual herniation of the cerebellar tonsils Flattened skull base: this deformity does not show clinical symptoms when it exists alone, so no special treatment is needed. Skull base depression: posterior decompression is not very effective and dangerous for this type of skull base entrapment, and only resection of the hyperplastic dentate process through the oropharyngeal approach can be effective. For atlantoaxial dislocation, anterior-posterior fusion of the atlantoaxial spine is feasible. For subcerebellar tonsillar herniation deformity, posterior cranial fossa decompression and partial cerebellar tonsillectomy are feasible. (5) True and false medullary palsy treatment of primary intracranial diseases causing medulla oblongata and medulla oblongata and control of intracranial pressure. Reconstruction of the hypoglossal nerve The hypoglossal nerve should be reconstructed after a simple motor nerve injury, especially if it is accompanied by injury to the glossopharyngeal nerve or vagus nerve, or if the contralateral hypoglossal nerve is also damaged. When the hypoglossal nerve-facial nerve anastomosis is performed, the effect of this anastomosis is better than that of the paraglossal nerve-facial nerve anastomosis because of the “synergistic” effect of the hypoglossal nerve and the central part of the facial nerve. Moreover, the symptoms of unilateral lingual paresis are relieved in a few weeks, and the linking movements are significantly reduced in a few years. There is no relevant content description at present. It is better to eat some light food and let the patient attract more vitamin nutrition. Take proper rest and avoid strenuous exercise. However, when the condition is stable, pay attention to proper exercise. Increase the ability to resist disease, avoid getting cold, reduce the chance of infection, and once various infections appear, apply powerful antibiotics promptly as well as control the infection early.