The treatment of insufficient blood supply to the brain caused by cervical spondylosis is mainly based on conservative treatment, such as restricting cervical spine activities, physical therapy, medication, etc. Surgery can be considered when conservative treatment is ineffective. When cervical spondylosis causes insufficient blood supply to the brain from the vertebral basilar artery, it can lead to a series of symptoms such as vertigo and dizziness. Its treatment methods mainly include the following: 1. Restriction of cervical spine activities, physical therapy: especially rotational activities, preventing sudden head down, head up and other large-scale movements, if necessary, you can choose to wear a neck brace for neck braking. In addition, can also be in a professional organization, with cervical spine physical therapy, such as traction. 2. Drug treatment: with vasodilating drugs, such as oral flunarizine hydrochloride capsules, intravenous drip ozagrel sodium, prostaglandin and other drugs. 3 Surgical treatment: . Patients who have been ineffective with conservative treatment can be considered for surgical treatment to help relieve vascular compression. When patients suspect that cervical spondylosis causes insufficient blood supply to the brain, it is recommended to consult a doctor in time, and after a relevant examination to clarify the diagnosis, a professional doctor will carry out diagnosis and treatment. The above drugs should be used under the guidance of a doctor, avoid self-medication.