Taking simvastatin tablets for cervical spondylosis has no efficacy in relieving dizziness. In cervical spondylosis, the degenerated cervical vertebrae compress or stimulate the carotid arteries and sympathetic nerves, resulting in carotid artery stenosis and spasm. Cerebral blood supply is mainly supplied by the carotid artery, if the carotid artery is compressed and narrowed, it can lead to insufficient blood supply to the brain and symptoms such as dizziness. Simvastatin tablets are indicated for hypercholesterolemia, coronary heart disease and other diseases, mainly used to reduce cholesterol. It can occur abdominal pain, jaundice, skin rash and other adverse reactions, pregnant and lactating women, allergic to the drug, active liver disease is prohibited, so the drug can not be used for dizziness caused by cervical spondylosis. The drug needs to be taken under the guidance of a doctor, if the patient has cervical spondylosis dizziness, it is recommended to go to the hospital in a timely manner, early formal treatment.