On the lateral mandible, on the anterior border of masseter muscle, in the groove-like depression appearing when the cheek is bulged.
How to locate
Clench the teeth so that the anterior border of the masseter muscle becomes clearly palpable.
Daying ST-5 is located directly anterior to the border of the muscle, in a shallow depression on the mandible and slightly above the angle of the jaw.
The facial artery can be palpated here.