Which ST point is located on the lower abdomen, 2 cun lateral to the midline and 2 cun inferior to the umbilicus, level with Shímén REN-5?

• A. ST 25
• B. ST 26
• C. ST 27
• D. ST 28

Answer: (C)

Understanding how to read these abdomen coordinates helps you place ST points accurately. The description places a point on the lower abdomen that is 2 cun to the side of the midline and 2 cun below the navel. When you locate that intersection, it corresponds to a stomach-muru point in the lower abdominal region. Being level with Ren-5 means it lies on the same horizontal line as Ren-5, which is a midline point down from the umbilicus.

So, the location that matches these coordinates is ST27. This area sits below the umbilicus and to the side, along the lower abdomen, consistent with ST27’s position on the stomach channel in that zone.