Cognitive impairment is a degenerative disease of the brain, which is often considered to be unavoidable in the process of aging. But this is not the case. Studies have found that proper exercise can improve the memory function of the human brain, thereby slowing down or avoiding the occurrence of cognitive impairment. Since the memory of cognitive impairment patients has been more or less impaired, going out for exercise is likely to increase the risk of loss. The best exercise for them is treadmill exercise. A U.S. study shows that walking fast on the treadmill for 30 minutes a day, 4 days a week and 12 weeks a week can significantly improve memory and nerve conduction. It should be noted that warm-up exercises should be done before running on the treadmill. Pressing legs, squatting, stretching muscles, flexion and extension joints, etc. can increase the temperature of muscles and make them more soft and not easy to pull. After getting on the treadmill, we should start with "dynamic" warm-up such as jogging and jogging, and gradually increase the amount of exercise. This process is usually suitable for 10 to 15 minutes. When you get off the treadmill, you should gradually slow down to avoid feeling dizzy. In addition, it's better not to watch TV while running, which is easy to distract people. Those who are not strong or skilled in sports can choose some music with a lively or relaxed rhythm.