Meditation relaxes the body and mind, gathers energy, opens channels and collaterals, strengthens the spleen and stomach, and nourishes the heart and lungs. Disadvantages of meditation: you need to cross your legs when you meditate, but the more times you cross your legs, the better. Cross-legged as long as possible. Improper cross-legged not only fails to play a health care role, but also does harm to the body. In severe cases, it will also hurt the cartilage of the knee and affect the growth and development of the child. Therefore, we must grasp the degree of cross-legged to avoid the health hazards caused by cross-legged.