Conception Vessel 4 (REN 4) Guan Yuan — Origin Pass

This is the Front-Mu (alarm) point of the Small Intestine and one of the most important tonification points in the body. It nourishes the source (yuan) qi, tonifies the Kidney and benefits the uterus, and is a key point for deficiency and exhaustion.

Conception Vessel 4 (REN 4) Guan Yuan 關元 — Origin Pass

Location

On the lower abdomen, on the anterior midline, 3 cun inferior to the umbilicus.

Anatomy

On the linea alba; the inferior epigastric and superficial epigastric arteries; the twelfth intercostal nerve.

Actions & Functions

  • Tonifies and benefits the source (yuan) qi and original essence
  • Tonifies the Kidney and warms the lower burner (yang)
  • Nourishes blood and benefits the uterus; regulates menstruation
  • Restores collapse of yang (with moxa) and roots the spirit

Indications

Exhaustion and general deficiency, chronic fatigue, impotence and seminal emission, infertility, irregular and painful menstruation, frequent or difficult urination, chronic diarrhoea, and collapse with cold limbs (large moxa).

Needling

0.8-1.2 cun, perpendicular insertion.

Moxibustion Suitability

Highly suitable - a principal point for moxibustion to tonify the source qi, warm yang and rescue collapse.

Point Combinations

With ST-36 and KI-3 to tonify the source qi; with REN-6 and DU-4 for yang deficiency; with SP-6 for gynaecological disorders.

Classical Text References

The Front-Mu point of the Small Intestine and a meeting point with the three leg yin channels; a key point for the cultivation of life.

Cautions & Contraindications

Empty the bladder before insertion. Contraindicated for needling in pregnancy.

Latest Research

Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.

About Attilio

Doctor of Chinese medicine, acupuncture expert and author of My Fertility Guide and My Pregnancy Guide.

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Research summary (Acupuncture): Utility of Acupuncture Therapy for Adult Chronic Daily Headache Prophylaxis: A Systematic Review and Meta-Analysis. - Medical science monitor : international medical journal of experimental and clinical research, 2026.