Zhongdu Point (LR-6 / Central Metropolis, also known as Zhongxi)
Discover the exact location and acupressure method for Zhongdu (LR-6 / Central Metropolis). Learn its benefits for hernia, spermatorrhea, metrorrhagia, and lochiorrhea – the Liver meridian Xi-Cleft point – plus classic combinations for comprehensive treatment.
Indications
Hernia, spermatorrhea, metrorrhagia, persistent lochiorrhea, lower abdominal pain, hypochondriac pain, shin pain (medial calf pain), and postpartum abdominal pain.
Precise Location
On the medial side of the lower leg, 7 cun above the tip of the medial malleolus, at the center of the medial surface of the tibia.
Location Method
Sit upright or lie supine. Measure 7 cun (approximately 10 finger-widths) directly upward from the tip of the medial malleolus – the point is in the depression at the center of the medial tibia, where firm pressure produces a distinct sore and distending sensation.
Massage Method
① Massage: Press and knead with the thumb. ② Moxibustion: Apply mild-warm moxa stick. Press and knead Zhongdu with the thumb about 200 times, or for 3–5 minutes, to treat lower abdominal pain. Therapeutic actions: Soothes the liver and regulates qi, regulates menstruation and stops bleeding, and unblocks the collaterals and relieves pain.
Compatibility
Persistent lochiorrhea and metrorrhagia: Combine with Xuehai (SP-10) and Sanyinjiao (SP-6). Hernia: Combine with Dadun (LR-1), Guilai (ST-29), and Taichong (LR-3). Spermatorrhea: Combine with Shenshu (BL-23), Zhishi (BL-52), and Sanyinjiao (SP-6). Lower abdominal pain and hypochondriac pain: Combine with Sanyinjiao (SP-6) and Guanyuan (RN-4). Shin pain (medial calf pain): Combine with Yinlingquan (SP-9) and Sanyinjiao (SP-6).
Efficacy & Actions
This point belongs to the Foot Jueyin Liver Meridian and is the Xi-Cleft point of this meridian. It soothes the liver and regulates qi, regulates menstruation and stops bleeding, and unblocks the collaterals and relieves pain. It is a commonly used key point for treating gynecological bleeding and acute pain disorders. First documented in Zhenjiu Jiayijing. "Zhong" means middle or central; "Du" means metropolis or gathering place. Located on the medial lower leg, this point is where Liver Meridian qi converges – hence the name Zhongdu (Central Metropolis). It is also known as "Zhongxi."
