Objective: To determine the rates of clinical and workup features in cerebellar infarction, common features, specific features distributed by cerebellar arteries. Method: cross-section description, Results: from sept 2007 to aug 2008, at Neurology department in Cho Ray hospital and Stroke unit in 115 hospital, there were 25 cerebellar infarction (CI) patients and 10 CI patients of being celebral infarction before.