KI7 (Fuliu, “Returning Current”) is the Jing-River point point of the Kidney Channel Meridian. It is located on the medial aspect of the lower leg, in a depression 2 cun superior to the prominence of the medial malleolus, anterior to the Achilles tendon. It tonifies Kidney Yin and Yang, regulates water passages, resolves dampness and swelling, clears damp-heat, regulates sweating, strengthens the lumbar region.
On the medial aspect of the lower leg, in a depression 2 cun superior to the prominence of the medial malleolus, anterior to the Achilles tendon.
Perpendicular insertion 0.5 to 1.0 cun.
Tonifies Kidney Yin and Yang, regulates water passages, resolves dampness and swelling, clears damp-heat, regulates sweating, strengthens the lumbar region.
Intestinal rumbling, abdominal distention like a drum, diarrhea with pus and blood, tenesmus, abdominal pain, hemorrhoids with blood and swelling after defecation, five types of edema (swelling of the four limbs), five types of urinary strangury (lin syndrome), bloody urine, difficult urination, urinary incontinence, bone cold and heat, cold in the lower leg, foot atrophy preventing walking, lumbar and spinal pain with internal pulling, inability to bend, stand or sit, blurry vision, propensity to anger and excessive speech, dry tongue, stomach heat, drooling due to parasites, profuse sweating that does not stop, night sweats, tooth decay, weak or imperceptible pulse, cold feet, foot weakness and inability to walk.
As the Jing-River and Metal point on the Kidney channel, Fuliu is a primary point for regulating water metabolism and sweating. It excels at treating edema, urinary disorders, and both spontaneous sweating (from Qi deficiency) and night sweats (from Yin deficiency). Its ability to tonify the Kidney makes it a crucial point for strengthening the lower back and treating chronic lumbar pain, especially when associated with Kidney deficiency.
Classical text; the translation was prepared with AI and is not clinical advice.
《醫宗金鑑·刺灸心法要訣》 Yīzōng Jīnjiàn · Cìjiǔ Xīnfǎ Yàojué — Golden Mirror of Medicine: Essential Teachings on Acupuncture & Moxibustion, Wu Qian et al., 1742 · 卷七 · 足部主病針灸要穴歌 · Source: jicheng.tw ↗
復溜血淋宜乎灸，氣滯腰疼貴在針，傷寒無汗急瀉此，六脈沉伏即可伸This verse records that moxibustion at KI7 was advised for bloody painful urination, needling for lumbar pain from stagnant qi, and prompt draining for cold damage without sweating; it says deep hidden pulses can then come up.
《針灸大成》 Zhēnjiǔ Dàchéng — Great Compendium of Acupuncture & Moxibustion, 1601 · 卷十 · Source: Wikisource ↗
復溜 在內踝上，除踝一寸，踝後五分，與太谿相直，針三分，灸五壯According to this text, KI7 lies 1 cun above the inner ankle (not counting the ankle), 0.5 cun behind it, in line with Taixi; needle 0.3 cun, 5 moxa cones.
KI7 is one of 27 points on the Kidney Channel Meridian. Nearby points:
KI7 (Fuliu) is located on the medial aspect of the lower leg, in a depression 2 cun superior to the prominence of the medial malleolus, anterior to the Achilles tendon.
KI7 tonifies Kidney Yin and Yang, regulates water passages, resolves dampness and swelling, clears damp-heat, regulates sweating, strengthens the lumbar region. Common clinical indications include intestinal rumbling, abdominal distention like a drum, diarrhea with pus and blood, tenesmus, abdominal pain, hemorrhoids with blood and swelling after defecation, five types of edema (swelling of the four limbs), five types of urinary strangury (lin syndrome), bloody urine, difficult urination, urinary incontinence, bone cold and heat, cold in the lower leg, foot atrophy preventing walking, lumbar and spinal pain with internal pulling, inability to bend, stand or sit, blurry vision, propensity to anger and excessive speech, dry tongue, stomach heat, drooling due to parasites, profuse sweating that does not stop, night sweats, tooth decay, weak or imperceptible pulse, cold feet, foot weakness and inability to walk.
Perpendicular insertion 0.5 to 1.0 cun. Caution: The Qian Jin Yi Fang lists Fuliu among 15 points where needling is forbidden, stating it is 'greatly inauspicious'. However, all other sources cited, including the Su Wen, Zhen Jiu Ju Ying, and Zhen Jiu Da Cheng, provide specific needling instructions without caution, suggesting this was not a universally held prohibition.
KI7 is a point on the Kidney Channel Meridian (Zú Shàoyīn Shènjīng).