Yijinjing is also a kind of skill that closely combines ideas, breathing and movements, with special emphasis on the exercise of ideas. In the activity, it is required to eliminate distractions, and through the concentration of consciousness, strive to achieve "moving freely, meaning with pneumatic" to adjust muscles and muscle tension with ideas (that is, "dark force" when the body is motionless and muscles are tense). Its unique form of "stretching muscles and pulling bones" can make muscles and bones stretch consciously in soft, slow, light and slow activities. Stretching, contracting, stretching and long-term practice will make muscles and ligaments elastic, enhance the ability of contraction and relaxation, and thus improve nutrition. At the same time, make the whole body meridians, qi and blood unobstructed, the five internal organs harmonious, full of vitality and vitality. Of course, you must exercise for a long time to get the effect of nourishing the five internal organs, moistening the skin, brightening your face, being alert and alert, and growing old.