The Ren meridian is the sea of yin meridians, also originating from the abdomen. It governs the yin of the whole body and controls the essence, blood, body fluids, and Qi of the human body. It is the foundation of nourishment for the human body and governs the fetus in the womb. Only when the Qi of the Ren meridian flows smoothly can the uterus be nourished by yin essence and pregnancy proceed as normal...,However, Li Yuan's answer made the male doctor with a Mediterranean hairstyle beside Director Tang very happy. He smiled and said, "That's right, our working class is still the most glorious! Li Yuan, I remember you came to our rolling mill through the donation program in 1954 Back then, you were still a rural household registration. After you came to the factory, you took the vocational high school exam",Li Yuan nodded happily and said, "Yes, thank you for your encouragement, Director Sun!"。