Yes, the "Guan" of Guanyuan point means hiding, and "Yuan" refers to the true qi of Yuan. This point belongs to Renmai, located three inches below the umbilicus, facing the abdomen. The essence of being a man is that men hide essence, and women take care of the moon, which is the gateway to having children and harmonizing yin and yang. The energy wave modulated by pulse acupuncture can continuously supplement Guanyuan point, and has the functions of relieving dysmenorrhea and regulating irregular menstruation.