Although there are many kinds of fitness techniques, they can be divided into two categories-dynamic and static. Generally speaking, exercise is a physical activity to strengthen the body, while static exercise is mostly to exercise the inner true qi and enrich the three treasures (spirit, qi and essence). Standing piles is a way to exercise the mind and body. Its main feature is that when practicing, you don't need to pay attention to breathing and stay in the abdomen. Generally, the requirements of abdominal breathing and the purpose of keeping quiet can be achieved through posture, movement, virtual and real deployment and appropriate psychological activities.