Yin Heel 10 – Dicang, ST4

Location

Dicang is located laterally at the corner of the mouth, about one finger’s width from the mouth’s corner.

Functions

This point can help release tension in the mouth area and is often used for chewing or salivation issues.

Indicators

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Safety

Caution is needed when treating this point, as it is close to sensitive structures around the mouth. Apply gentle pressure and observe the horse’s reactions.

Medical information

ST4 is located lateral to the mouth corner, on the line connecting the mouth corner to the nostril, approximately 0.5 cun lateral to the mouth corner.

Dicang is used for treating facial paralysis, local pain, salivation disorders, and to support oral motor function.

Caution during needling, as the point is close to nerves and blood vessels. Use aseptic technique and ensure the horse is calmly restrained.