Cerebellar atrophy cannot be cured. Cerebellar atrophy is mostly caused by genetics, insufficient blood supply to the brain, and insufficient nutrition to the cerebellum. Physiological cerebellar atrophy is mainly related to age, and the cerebellum shows a gradual atrophy process as it grows older. It is also associated with genetic factors, drug or alcohol intoxication, ischemia and hypoxia, trauma, and inflammatory changes. The main manifestations are ataxia, slow speech, nystagmus, and decreased muscle tone. The site of the lesion can be clarified by ataxic motor examination, cranial CT, and MRI. At present, there are no specific drugs for treatment. Adjust the diet, eat a light diet, eat less spicy, greasy and stimulating food, eat more vegetables and fruits as well as high vitamin food to maintain a balanced diet. Moderate exercise, increase verbal communication and exercise the cerebellum. Avoid alcohol and tobacco, do not use drugs that are damaging to brain tissue, and avoid excessive anxiety. Middle-aged and elderly people should pay attention to the combination of work and rest, and go to the hospital for examination when necessary. Therefore, cerebellar atrophy is irreversible, but the process can be delayed, and functional exercises should be strengthened.