Narrowing of the cervical canal at the 3-7 level refers to the narrowing of the cervical canal from the third to the seventh cervical vertebrae. There are seven cervical vertebrae in total, from the first to the seventh cervical vertebrae, and narrowing of the cervical canal at the cervical 3-7 level refers to narrowing of the cervical canal from the third to the seventh cervical vertebrae. Narrowing of the cervical spinal canal is caused by degenerative changes in the cervical discs, resulting in a smaller cervical spinal canal space. If there are no symptoms of pain or nerve compression, it is usually necessary to undergo regular examinations, but if the narrowing of the spinal canal results in damage to the cervical spinal cord, nerves, and blood vessels and the corresponding symptoms occur, surgery may be required. Patients with narrowing of the cervical spinal canal at the 3-7 level should be judged by a doctor based on the symptoms, signs and auxiliary examinations, and given the correct treatment for their condition.