The purpose of this study is to investigated the occurrence properties of the cerebrovascular accidents, Clinical observations were done 252 cases, were carried from June, 1989 to May, 1990 at 4 general hospital in Taegu, Korea. The following results have been obtained: 1. Among the 252 cases of cerebrovascular accidents, males was noted in 51.6% and females in 48.4%. The ratio between males and females was 1.1 : 1 in whole groups of cerebrovascular accidents, and in aging distribution, it was showed variety distribution in age groups, fifties, sixties and forties were in order of frequency, particulary, more than half was showed from 50 to 69. 2. Among the 252 cases of cerebrovascular accidents, cerebral hemorrhage was noted in 64.3%, cerebral infarction in 25.8%, cerebral thrombosis in 6.3%, subarachnoid hemorrlrage in 2.4% and cerebral embolism in 1.2%. 3. In distribution of academic career, high school level was noted in 37.7%, elementary school level in 30.5% middle school level in 17.1%, elementary school level in 30.5%, middle school level in 17.1% and college level in 14.7%. 4. In distribution of occupation, office worker was noted in 21.8%, housewife in 20.2%, the others in 19.1%, physical laborer in 18.3% and inoccupation in 10.7%. 5. In seasonal distribution, spring was noted in 34.9%, winter in 32.5%, autumn in 20.3% and summer in 12.3%. 6. Among the preceding diseases at the onset of cerebrovascular accidents, hypertension was noted in 51.6%, no preceding disease in 20.2%, other disease in 10.3% and diabetes mellitus in 9.5% in cardiovalvular disease in 6.0%. 7. In systolic blood pressure on admission, 160-190mmHg was noted in 32.2%, 200-239mmHg in 23.4`%, 140-159mmHg in 19.4%, below 140mmHg in 16.3%, and above 240mmHg in 8.7%. While, in diastolic blood pressure, above 130mmHg noted in 24.6%, below 90 mmHg in 17.1%, 120-129mmHg in 13.1% and was90-99mmHg in 11.1%. 8. In major predisposing factors of patients, emotional stress was noted in 20.2%,physical action in 17.9%, rest in 16.9%, while sleeping in 10.7%, drinking in9.9% and defecation in 7.9%. 9. In distribution of affected side, left was noted in 48.4%, right in 42.1 and both9.5%. 10. In rates of recurrent cases, first attach was noted in 79.0%, 1st recurrence in17.0%, 2nd recurrence in 3.6% and 3rd recurrence in 0.4%.