Let's just say that grains are indeed the source of human essence, and many miscellaneous grains have nourishing effects on various organs of human beings. However, there are also disadvantages. One is that coarse cereals will lose a lot of nutrients after drying and crushing. The other is that ordinary shops will give you a lot, and eating it may not be useful, because everyone has different constitutions and may not be able to absorb it. Therefore, you can choose two or three kinds of miscellaneous grains to eat properly, and you must suit yourself and not eat them all the time. Then eat more whole grains in your life. The best of the five grains is rice, which supplements the middle and benefits the qi and is also beneficial to absorption. The key to health care is to combine work and rest, so it is most important to go to bed early and get up early.