Geungyul(根結) means roots and nodes of meridians. If human body gets damaged by energy which each seasons has, the meridians get some troubles. Healing for symptom, meridians consist of root, stay, follow, inpouring and node of acupuncture points should be in harmony. 1. This chapter explain roots and node parts of each meridian, acupuncture points name and root, stay, follow, inpouring of acupuncture points which in arm and leg of three Yin and Yang. 2. The opening, closing, axis function, the symptom, and the needling of both meridians of Yin and Yang are explained. 3. The method that predicts the rise-and-fall of visceral energy and the time of death by using an order of pulse and intermittent pulse is explained. 4. It is explained that since the physical condition of the rich and the poor are different, the method using a needling for each person to be healed, such as the deep-and-shallow and the quick-and-slow, are different. 5. It is explained that the excess and the deficiency in the energy of shape should be considered when a acupuncture is given.