An anterior communicating artery aneurysm is an aneurysm that grows on the anterior communicating artery, a blood vessel in the brain that is prone to aneurysms. Anterior communicating artery aneurysm in the early stage of clinical may not have any symptoms or mild dizziness, headache. With the development of the disease, once the aneurysm ruptures and bleeds, the patient will have severe headache, frequent vomiting, profuse sweating, elevated body temperature, and may also have consciousness disorder or even coma. Some patients have the triggers of exertion and emotional excitement before the hemorrhage, while some have no obvious trigger or develop the disease during sleep. In general, anterior communicating artery aneurysm is detected and needs to be treated actively, but the treatment itself has risks, and it is necessary to consult with a neurosurgeon specialized in neurosurgery.