Laser therapy instrument is a general health care method for middle-aged and elderly people. The middle-aged and elderly people in sub-health state can use this instrument to regulate blood lipids, blood sugar, blood pressure, restore normal physiological functions, improve the immune function of the body, and thus prevent the occurrence of ischemia-hypoxic diseases; for ordinary middle-aged and elderly people, it can delay aging, Promote digestion, enhance physical fitness, soothe the nerves and sleep.