Walking instability can be clinically seen in the following diseases: 1. Cerebellar lesions, if the cerebellar hemisphere lesions, there can be walking to the affected side of the tilt, accompanied by walking instability and the symptoms of dizziness. If the cerebellar hemisphere is affected, it may cause the body to tilt backward when walking, and in severe cases, it may cause the body to fall backward, which is also accompanied by dizziness. Cerebellar lesions can be clinically seen in cerebellar space occupation as well as cerebellar infarction and hemorrhage, which can be diagnosed by head CT or nuclear magnetic examination.2. Clinically, it can also be seen in extravertebral diseases, which is more commonly seen in Parkinson’s disease, which can be characterized by slow movement and abnormal posture and gait, which is manifested as panic gait, and freezing gait in severe cases.3. Clinically, it can also be seen in peripheral neuropathies, such as diabetes mellitus, which is a serious problem. See peripheral neuropathy, such as diabetic peripheral neuropathy, due to the peripheral nerve damage is more serious can appear deep sensory deficits, appear drunken gait and so on.