There are many causes of cerebral insufficiency, and the severity of the patient’s condition varies, so whether cerebral insufficiency can recover on its own depends on the specific condition and cause. If cerebral arteriosclerosis is the cause of cerebral insufficiency, it usually does not recover slowly. Most patients can improve their condition through medication or surgery; however, if patients do not take effective treatment measures in time, their condition may deteriorate. If the lack of blood supply to the brain is caused by heart disease, it will not recover slowly. Usually, the condition of insufficient blood supply to the brain will improve only after the heart disease is corrected. If the lack of blood supply to the brain is caused by some bad emotions, it will recover slowly. Usually, the condition will improve after the emotions are stabilized. Insufficient cerebral blood supply should be taken seriously regardless of the severity of the condition, and regular medical checkups should be conducted. Once the test results are abnormal or the patient has uncomfortable symptoms, he/she should immediately go to the neurology or emergency department.