Localized aneurysmal widening of the anterior communicating artery is a diagnostic imaging feature that usually suggests the possibility of an anterior communicating artery aneurysm or other embolus blockage causing a lack of blood supply and stagnation of blood. The anterior communicating artery is a continuation of the anterior cerebral artery, which is a branch of the internal carotid artery at the end of the intracranial segment; the anterior cerebral artery is lateral to the optic intersection, and aneurysmal widening of the anterior communicating artery on imaging suggests a possible localized thickening of the normal diameter of the vessel, with a restrictive decrease in elasticity of the blood vessel; atherosclerosis is often the cause of this phenomenon. This diagnosis suggests that an anterior communicating artery aneurysm may be present, and if this disease occurs, attention should be paid to the risk of rupture; daily control of blood pressure, blood glucose, and lipid levels, and abstinence from smoking and alcohol, in order to prevent further aggravation of the disease. In order to prevent further aggravation of the disease, it is necessary to exercise moderately, eat a reasonable diet with less oil and salt, and vegetarian diet; avoid factors that may trigger rupture of anterior communicating artery aneurysm, such as emotional excitement, straining to have a bowel movement, and strenuous exercise. If you feel sick, you should go to the hospital in time and consult your doctor.