本文报道２３ 例小脑梗塞。临床表现： 头痛眩晕、恶心呕吐、步态不稳及共济失调， 常伴长束征。从其病因、发病部位及上述临床表现进行探讨； 对患者头颅 Ｃ Ｔ、 Ｍ Ｒ Ｉ分析比较， 认为 Ｍ Ｒ Ｉ对该病的诊断率较高。发现高血压、高脂血症与本病有密切关系。对早期有意识障碍者应高度重视， 及时预防与治疗， 提高其存活率。 This article reports 23 cases of cerebellar infarction. Clinical manifestations: headache dizziness, nausea and vomiting, unstable gait and ataxia, often accompanied by long beam sign. From the etiology, the location of the disease and the above clinical manifestations to explore; analysis of the patient’s head C T, M R I, M R I that the diagnosis of the disease higher. Found that high blood pressure, hyperlipidemia and the disease are closely related. On the early conscious people should attach great importance to timely prevention and treatment to improve their survival rate.