Men feel particularly tired and fatigued for the following reasons: The first point is the patient’s sleep problems, mostly caused by insomnia or staying up late. The second point is malnutrition, mostly seen in men with partial food, or eating should not be, eating is not regular, etc., resulting in a lack of human nutrition. The third point is related diseases, such as insufficient secretion of the thyroid gland, such as hypothyroidism, and insufficient blood supply due to excessive strain on the heart, as well as eye overuse of dry eyes and other physical discomfort, can lead to physical fatigue. The fourth point is the lack of exercise, such men are fat, or lazy, limb muscles have no strength, it is easy to fatigue. The fifth point is caused by emotional factors.