SP8 (Dìjī, “Earth's Crucial Point, or Earth Pivot”) is the Xi-Cleft point point of the Spleen Channel Meridian. It is located on the medial aspect of the lower leg, in a depression on the posterior border of the tibia, 5 cun inferior to the knee or 3 cun inferior to Yinlingquan (SP9). It regulates the Spleen and resolves Dampness, harmonizes Blood and regulates menstruation, moves Qi and alleviates pain, clears Damp-Heat from the Lower Jiao.
On the medial aspect of the lower leg, in a depression on the posterior border of the tibia, 5 cun inferior to the knee or 3 cun inferior to Yinlingquan (SP9).
Perpendicular insertion 1.0 to 1.5 cun, along the posterior border of the tibia.
Regulates the Spleen and resolves Dampness, harmonizes Blood and regulates menstruation, moves Qi and alleviates pain, clears Damp-Heat from the Lower Jiao.
Abdominal and hypochondriac distention from Qi, abdominal hardness, loose stools with abdominal masses (táng jiǎ), abdominal pain, organ-related stagnation (zàng bì), lack of appetite, water swelling, urinary difficulty, seminal insufficiency, lumbar pain making it difficult to bend or extend, women's abdominal masses (zhēng jiǎ), menstrual irregularities, pain in the inner thigh as if scalded with hot water.
As the Xi-Cleft point of the Spleen channel, Diji is a primary point for acute conditions involving this meridian and its associated organ, particularly pain, bleeding, and stagnation. It excels at treating abdominal pain, distention, and diarrhea, as well as gynecological issues like dysmenorrhea and irregular menstruation, reflecting its ability to regulate Qi and Blood in the Lower Jiao. Its use for water swelling and urinary difficulty highlights its function in resolving Dampness.
Classical text; the translation was prepared with AI and is not clinical advice.
《黃帝明堂灸經》 Huángdì Míngtáng Jiǔjīng — The Yellow Emperor's Bright Hall Moxibustion Classic, Tang · 卷上 · 正人形第十三 · Source: jicheng.tw ↗
地機 二穴，在膝內側轉骨下陷者中，伸足取之，灸三壯。 主腰痛不可俯仰，足痹痛，屈伸難也According to this text, SP8 lies on the inner side of the knee in the depression below the turning bone, located with the leg extended, with 3 moxa cones; it was used for low back pain with inability to bend forward or back, and bi pain of the feet with difficulty bending and stretching.
《醫學入門》 Yīxué Rùmén — Introduction to Medicine, Li Chan, 1575 · 经穴起止 · Source: Wikisource ↗
地机膝下五寸，大骨后，伸足取之。 针入三分，灸三壮。 主溏泄腹痛，气胀水肿，小便不利，腰痛，足痛，癫疾，精不足，女子血瘕，按之如以汤沃，股、膝、阴皆痛According to this text, SP8 lies 5 cun below the knee behind the large bone, located with the leg extended; needle 0.3 cun, moxibustion 3 cones. It was used for loose stools with abdominal pain, qi distension and oedema, difficult urination, back and foot pain, epilepsy, insufficient essence, and blood masses in women that feel as if hot water were poured on them when pressed, with pain of thigh, knee and genitals.
《針方六集》 Zhēnfāng Liùjí — Six Collections on Needling, Wu Kun, 1618 · 卷之五·紛署集 · 足太陰及股凡二十二穴第二十九 · Source: jicheng.tw ↗
地機二穴，治腹中痛，臟痹，女子血瘕，按之如湯沃股內引膝，男子溏泄，腹脅堅脹，不嗜食，水腫，小便不利，足大指內側紅腫The text records that SP8 was used for abdominal pain, organ bi, blood masses in women that feel as if hot water were poured on the inner thigh and pull to the knee when pressed, loose stools in men, hard distension of abdomen and ribs, poor appetite, oedema, difficult urination, and red swelling on the inner side of the big toe.
SP8 is one of 21 points on the Spleen Channel Meridian. Nearby points:
SP8 (Dìjī) is located on the medial aspect of the lower leg, in a depression on the posterior border of the tibia, 5 cun inferior to the knee or 3 cun inferior to Yinlingquan (SP9).
SP8 regulates the Spleen and resolves Dampness, harmonizes Blood and regulates menstruation, moves Qi and alleviates pain, clears Damp-Heat from the Lower Jiao. Common clinical indications include abdominal and hypochondriac distention from Qi, abdominal hardness, loose stools with abdominal masses (táng jiǎ), abdominal pain, organ-related stagnation (zàng bì), lack of appetite, water swelling, urinary difficulty, seminal insufficiency, lumbar pain making it difficult to bend or extend, women's abdominal masses (zhēng jiǎ), menstrual irregularities, pain in the inner thigh as if scalded with hot water.
Perpendicular insertion 1.0 to 1.5 cun, along the posterior border of the tibia.
SP8 is a point on the Spleen Channel Meridian (Zú Tài Yīn Pí Jīng).