What is the inner method of Yijinjing?

There are many internal mental methods of Yijinjing, and internal cultivation is hierarchical, which can get through the small Sunday and the big Sunday, run the world, adopt aura, eliminate Yin Qi, have a virtuous circle and detoxify health. The true biography of China Yijinjing is based on xinji city Yijinjing Health Center, which is the treasure of Yijinjing's internal work.