Di, earth; cang, granary.
The five grains grow on the earth. The grain enters the stomach via the mouth, as entering a granary.
The point is at the corners of the mouth.
Directly below the pupil, 0.4 cun horizontal to the corner of the mouth.
- main point for facial paralysis or spasm.
- to treat slobbering.
- puncture horizontally in the direction of mandible angle 0.8-1 cun.
- or in the direction of Yingxiang.