Brain atrophy is hard to reverse once it occurs, brain atrophy can be improved by the following ways. Patients should have a low-salt and low-fat diet. In their daily life, patients should pay attention to supplementing seafood, edible mushrooms, beans and their products, and eat more fish from the deep sea, dairy, sesame paste, all kinds of vegetables and fresh fruits, which can help to slow down the progress of cerebral atrophy in the elderly. Patients should not eat spicy and stimulating food, nor smoke and drink alcohol, and should develop good living habits. More outdoor sports can enhance physical fitness and strengthen the body’s ability to resist diseases. Patients can take drugs to improve cerebral metabolism, such as olanzapine capsules, cytarabine sodium tablets, Idebenone, and oral drugs with the effect of improving cerebral blood circulation and anti-atherosclerosis, which can delay the progress of cerebral atrophy, and patients can take ginkgo biloba extract tablets and hemosiderophores tablets.