The lumbar yangguan point is below the intersection of the line of the iliac crests on both sides and the posterior median line, i.e., in the depression below the spinous process of the fourth lumbar vertebra. It can treat conditions such as lumbosacral pain. The Lumbar Yang Guan acupoint is located on the spine of the human body, in the depression below the spinous process of the fourth lumbar vertebra. When taking the point, first locate the spinous process of the fourth lumbar vertebra. The intersection of the line between the two iliac crests and the posterior midline is the spinous process of the fourth lumbar vertebra, below which is the Lumbar Yang Guan acupoint. The Lumbar Yang Guan point can be used to treat lumbar and leg pain and lower limb paralysis (weakness, numbness and pain in the lower limbs) when combined with Ren Yu and Zhen Zhong; and gynecological conditions such as menstrual cramps when combined with Zhong Ji, Jiao Sao, Seventeen Vertebrae, and Ren Yu. This point can also be used to treat spermatorrhea and impotence, in which case it can be paired with Vital Gate, Kidney Yu, and Zhihu. The acupuncture point should be operated by a professional physician, do not operate on your own, so as not to cause damage to the organism.