Ren meridian begins at the point of extreme spring and ends with less quotient; Du meridian starts from the middle vein of the house, and the middle vein is less rushing. Ren meridian leads to the heart and Du meridian leads to the lung, which are two important meridians in the human body.
Ren Mai's martial arts novels often mention that it is actually a term in some ancient qigong books. A large number of cultural relics were unearthed in Mawangdui Han Tomb, including some Qigong classics, which laid the foundation for the study of Qigong in China. When practicing qigong, let the true qi wander in the eight strange meridians and then transport it out through the acupoints on the second meridian of Ren Du, even if it is opened.