Memory loss at the age of 40 whether it is Chinese medicine or Western medicine can use dietary supplements, medicinal supplements and other measures as an auxiliary means of treatment. However, the main thing is to identify the cause and treat the cause. 1, dietary supplement: for example, walnuts and peanuts in dried fruits, as well as milk, eggs, lean meat, seafood, etc., there are a variety of vitamins, proteins, unsaturated fatty acids, etc., can also improve memory, but also play the role of brain tonic, memory enhancement; 2, medicinal supplement: in traditional Chinese medicine, there are drugs to supplement the kidney essence, such as the sapodilla, dry ginger, cinnamon, etc.; in western medicine, such as cytophosphatidylcholine In western medicine, such as cytosine, piracetam and other drugs, can also increase memory, but need to follow medical advice to take. Usually minor memory loss is a common physiological phenomenon, and memory can be improved through dietary supplements. However, the appearance of disease interference, such as neurasthenia, brain diseases, systemic diseases, malignant disease interference, etc., cause memory loss at the age of 40. It is necessary to identify the cause and then treat the cause, plus comprehensive measures such as dietary supplements and medicinal supplements, in order to make the memory decline be controlled and achieve the desired effect.