Conception Vessel 22 (REN 22) Tian Tu — Heaven Projection

This point, at the suprasternal notch, is a principal point for the throat. It descends rebellious Lung qi, relieves cough, asthma and wheezing, benefits the voice and dissipates phlegm nodules.

Conception Vessel 22 (REN 22) Tian Tu 天突 — Heaven Projection

Location

On the neck, on the anterior midline, in the centre of the suprasternal fossa (above the sternal notch).

Anatomy

In the suprasternal fossa; the jugular arch and, deep, the trachea and the arch of the aorta below; the anterior cutaneous nerve of the neck.

Actions & Functions

  • Descends rebellious Lung qi and relieves cough, asthma and wheezing
  • Benefits the throat and the voice
  • Dissipates phlegm nodules (goitre)

Indications

Asthma, cough and wheezing, sore throat and loss of voice, plum-stone throat (globus), goitre, and hiccup and difficulty swallowing.

Needling

First insert 0.2 cun perpendicularly, then direct the needle downward behind the sternum, 0.5-1.0 cun, keeping close to the posterior aspect of the sternum.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With LU-7 and REN-17 for asthma; with REN-23 for the throat and voice.

Classical Text References

A meeting point with the Yin Wei Mai; the chief local point for the throat.

Cautions & Contraindications

DANGER POINT: after the initial insertion, angle the needle downward and keep it close behind the sternum. Do not angle deeply backward or laterally - the trachea and great vessels lie beneath.

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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PubMed research

Network Meta-Analysis Finds Chinese Herbal Decoctions Improve Outcomes and Reduce Side Effects in Breast Cancer Treatment

Research summary (Traditional Chinese Medicine): Efficacy and safety of traditional Chinese medicine decoctions in breast cancer treatment: a network meta-analysis. - Frontiers in oncology, 2026.