Conception Vessel 6 (REN 6) Qi Hai — Sea of Qi

This point, below the umbilicus, is one of the most important points for tonifying qi and yang, raising sunken qi and rescuing collapse. It is a key point for general deficiency and exhaustion.

Conception Vessel 6 (REN 6) Qi Hai 氣海 — Sea of Qi

Location

On the lower abdomen, on the anterior midline, 1.5 cun inferior to the umbilicus.

Anatomy

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

Actions & Functions

  • Tonifies qi and yang and benefits the original qi
  • Raises sunken qi (prolapse, fatigue) and rescues collapse
  • Regulates qi in the lower burner and benefits the uterus

Indications

General weakness, fatigue and exhaustion, prolapse (uterus, rectum), abdominal pain and distension, irregular menstruation, impotence and seminal emission, and enuresis.

Needling

0.8-1.2 cun, perpendicular insertion.

Moxibustion Suitability

Highly suitable - a principal moxibustion point to tonify qi and yang.

Point Combinations

With ST-36 and REN-4 to tonify qi; with DU-20 to raise sunken qi and lift prolapse.

Classical Text References

A key point of the Ren Mai for the cultivation of qi.

Cautions & Contraindications

Caution 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.

Check Also

PubMed research

Acupuncture Shows Sustained Benefits for Chronic Daily Headache Prevention in Adults, Meta-Analysis Finds

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.