Which point is at the corner of the forehead, 4.5 cun lateral to Shenting DU-24 and 0.5 cun within the anterior hairline?

• A. St 8
• B. St 9
• C. St 5
• D. Li 20

Answer: (A)

St8 is the point described by those coordinates: at the corner of the forehead, 4.5 cun lateral to DU-24 Shenting and 0.5 cun within the anterior hairline. This precise location places it at the hairline corner on the forehead, which is exactly where St8 sits. The other points are in different regions: one lies on the neck near the lower jaw angle, another at the nasolabial area, and the last near the cheekbone in front of the jaw—so they don’t match the described forehead corner location.