SP17 Food Cavity

Reviewed by · Licensed Acupuncturist & TCM Physician · Last reviewed June 2026

SP17 (Shidou, “Food Cavity”) is an acupuncture point on the Spleen Channel Meridian. It is located on the chest, in the fifth intercostal space, 6 cun lateral to the anterior midline. It regulates qi, unbinds chest, alleviates pain.

Location

On the chest, in the fifth intercostal space, 6 cun lateral to the anterior midline.

Needling

Oblique insertion 0.5-1 cun. Caution for pneumothorax.

⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.

TCM functions

Regulates qi, unbinds chest, alleviates pain.

Indications

Chest pain, intercostal neuralgia, abdominal distention.

Clinical notes

SP17 is a crucial point for regulating qi and unbinding the chest, making it effective for chest oppression, fullness, and pain, especially when related to digestive issues or phlegm accumulation. It is also used for intercostal neuralgia and hiccup. Its name, 'Food Cavity,' indicates its connection to the diaphragm and the passage of food, making it relevant for issues where the stomach qi rebels upwards. It is often paired with PC6 (Neiguan) for chest discomfort and nausea.

On the Spleen Channel channel

SP17 is one of 21 points on the Spleen Channel Meridian. Nearby points:

Frequently asked questions

Where is SP17 located?

SP17 (Shidou) is located on the chest, in the fifth intercostal space, 6 cun lateral to the anterior midline.

What is SP17 used for?

SP17 regulates qi, unbinds chest, alleviates pain. Common clinical indications include chest pain, intercostal neuralgia, abdominal distention.

How is SP17 needled?

Oblique insertion 0.5-1 cun. Caution for pneumothorax. Caution: ⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.

Which meridian is SP17 on?

SP17 is a point on the Spleen Channel Meridian (Zú Tài Yīn Pí Jīng).

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⚠️ This page is for general education and is not medical advice. Acupuncture is a traditional practice; evidence varies by condition and study quality, and individual results differ. It does not replace diagnosis or treatment by a licensed professional. Always consult a qualified acupuncturist or physician.