Abstract: The risk factors for the cerebral hemorrhage were studied in 126 cerebral hemorrhage patients,who were examined by CT and 126 match controls.A conditional logistic model was used to calculate their OR(odds ratio).Univariable analysis showed thathy-pertension,heart disease.diabetes.parents stroke history.Patents cardiovascular disease history,first-degree relatives.Patients and smoking are the risk factors of cerebral hemorrhage.Multivariable analysis showed thathypertension and heart disease are the risk factors of cerebral hemorrhage.OR of the two factors were estimated to be OR=8.9156 and OR=3.3624 respectively At the same time,we also founded that proportion of first-degree relation patients in patient group is(51/771)6.61%.