Cerebral infarction may affect cerebellar atrophy. After infarction of the cerebellar region, the necrotic brain cells and brain tissue will atrophy to some extent. The cause of cerebellar atrophy is also related to cerebrovascular diseases, such as cerebral infarction, cerebral hemorrhage and other types of stroke diseases, the cerebellar area is prone to atrophy. However, the causes of cerebellar atrophy are not only limited to cerebral infarction, but also other causes, such as genetic factors or long-term alcohol abuse, which lead to cerebellar atrophy in patients. There are also reasons such as poor lifestyle of smoking, poisoning, etc., which may cause the problem of cerebellar atrophy in patients. After cerebellar atrophy occurs in patients, the main clinical manifestations are vertigo, unstable walking, ataxia, and cerebellar speech.