With the in-depth study of cervical spondylosis, it has been found that cervical spondylosis has a wide range of effects on various systems of the human body and its manifestations are diverse, and there are many special conditions related to cervical spondylosis. When you have the following conditions with other signs and symptoms of cervical spondylosis, you should pay great attention to them in order to achieve early diagnosis and early treatment. 1. Intractable vertigo, headache, trigeminal neuralgia. 2.Unexplained vision loss. 3.Unexplained swallowing difficulty and tongue extension disorder. 4.Angina pectoris or arrhythmia with normal electrocardiogram. 5. Intractable breast pain. 6.Sweating or no sweating, numbness in the face, around the mouth or tongue. 7.Mental disorder, mainly orientation disorder and memory disorder. 8.High blood pressure that is ineffective with antihypertensive drugs.