Objective To investigate the multi slice spiral CT angiography (MSCTA) in the application value in the early diagnosis of cerebral hemorrhage. Methods Through spiral CT plain scan in 45 cases of patients, cerebral hemorrhage patients for clinical diagnosis, the results of whole brain angiography diagnosis result is compared with the DSA method. Results In 45 cases of cerebral hemorrhage patients, were examined by MSCTA on it, found that 29 patients with cerebral aneurysm, 9 patients with arteriovenous malformation, 2 cases of patients with moyamoya disease, 3 patients with venous vascular malformation, 2 cases of patients with unexplained. Pathological detection of cerebral aneurysm in 30 cases, SCTA showed aneurysm in 29, the detection rate was 96.67%, 4 cases of patients with tumors located in the intracranial segment of internal carotid artery in 9 patients, the tumors located in the anterior communicating artery, 4 cases of patients with tumors located in the anterior cerebral artery, 3 cases of patients with tumor in the vertebral basilar artery, 9 patients with tumor in the brain artery. Conclusion Vascular CTA imaging technique is a safe, no brain vascular imaging invasive, reliable and can be used as the preferred method for early diagnosis of cerebral hemorrhage.