Dizziness triggered by bowing the head is mostly considered to be caused by bony diseases. The most common is cervical spine disease, such as cervical intervertebral foraminal stenosis, cervical disc herniation, cervical degenerative disease, can cause dizziness, nausea, vomiting, headache, fatigue, limb weakness, and in severe cases, can involve the vertebral basilar artery, leading to vertebral artery vasospasm, thus inducing posterior circulatory ischemia manifestations. The main manifestation is vertigo, and patients often feel this kind of motion illusion or hallucination of things in front of their eyes, their own rotation, peripheral vision rotation, which can be accompanied by ataxia and balance disorders. If the lesion involves the autonomic function, it can lead to its dysfunction, nausea, vomiting, panic, pallor, etc. In severe cases, loss of consciousness can occur.