Intracranial aneurysm is a localized abnormal bulging or expansion of intracranial arterial walls, which occurs mainly due to local defects in the arterial walls and increased pressure in the lumen, and is often compared to a “tire bulge” by doctors. The disease can be seen at any age, smoking, alcoholism, high blood pressure, high blood lipids, high blood sugar and so on are the risk factors of intracranial aneurysm. Aneurysms often grow unnoticed, symptoms are not typical, and patients may not even feel anything. However, it is like burying an “untimely bomb” in the brain, once ruptured, bleeding is quite dangerous, and it is the main cause of subarachnoid hemorrhage. Sichuan Academy of Medical Sciences? He Zongze, Department of Neurosurgery, Sichuan Provincial People’s Hospital According to the presence or absence of hemorrhage, intracranial aneurysms can generally be divided into ruptured aneurysms and unruptured aneurysms. The focus of treatment is to prevent bleeding and re-bleeding, just like defusing a bomb, to avoid it from causing a cerebrovascular “explosion”. At present, there are two tools to “defuse the bomb”: one is through the endovascular intervention method, using the spring coil embolization technology to fill the aneurysm cavity, so that it can not bleed; the second is the use of craniotomy, from the outside of the blood vessel to clamp the aneurysm, so that it and the blood vessel isolation, so as not to bleed. The doctor will choose the appropriate means according to the actual situation of the aneurysm such as the location, size and shape of the aneurysm. In daily life, to avoid “laying mines” for the brain, maintaining a healthy lifestyle is the most crucial. Work life should be a combination of work and rest, try to avoid late nights, excessive fatigue, long-term mental stress, and so on, away from tobacco and alcohol and other stimulating factors, high blood pressure and diabetes and other high-risk groups should be regularly screened.