Numbness of the tongue is not related to cervical spondylosis. When high cervical spondylosis, such as cervical spondylosis of the 1st-4th cervical segments, can occur in the head and occipital area, as well as numbness of the skin in the front and back of the neck, but it does not lead to numbness of the tongue. Numbness of the tongue is often caused by head diseases or peripheral nerve diseases, which can lead to numbness of the tongue, such as cerebral infarction, cerebral hemorrhage and peripheral nerve tumors or inflammation, which can lead to numbness of the tongue, and then CT and MRI of the head should be performed to diagnose the head disease. Therefore, when there is numbness of the tip of the tongue and cervical spondylosis, it is not considered to be caused by cervical spondylosis, but by head disease, so further head examination should be performed for further diagnosis.