The magical function of grasping is that grasping helps to calm the soul and collect the essence. Therefore, it can be considered that the human body system acted by grasping should be the liver meridian system and the kidney meridian system. Traditional Chinese medicine theory holds that "liver and kidney are homologous", and the property of liver is wood, which can relieve depression and regulate qi and blood. Liver meridian system includes liver, gallbladder, eyes, tendons, nails and other tissues and organs.

The meridians of the liver meridian system run beside the body. The nature of kidney is water, which is the basis of growth and development. The kidney meridian system includes organs such as kidney, bladder, ear, bone and hair. The meridians of the kidney meridian system run in the body.

The liver meridian system and kidney meridian system coordinate with each other at ordinary times, which can make the human body concentrate and drain blood. Long-term persistence can stabilize the mind, ward off evil spirits and prevent diseases. It can be seen that there are not many methods of health preservation, but persistence. You'd better always hold your hand firmly.

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Many people often eat without appetite and have indigestion. At this time, you can use the method of hug and exercise to reconcile your spleen and stomach. After a period of time, the problem of disharmony between spleen and stomach can be easily improved.

Hold your thumb with four fingers. The difference lies in which finger root the thumb tip is located. Some think it's an index finger, some think it's a middle finger, and there are ring fingers and little fingers. The grip method advocated in the four sets of health qigong: the thumb is buckled in the palm of your hand, the fingertip is at the root of the ring finger (fourth finger), then the other four fingers are bent, and the thumb is firmly held with a little force, just like holding a baby.

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