Headaches, fainting, nasal congestion, eye opacity, dystocia, retained placenta, and improper fetal position, etc.
On the lateral side of the distal phalanx of the little toe, 0.1 cun from the corner of the toenail. (This acupoint is bilateral, one on each side.)
On the lateral side of the little toe, the acupoint is located at the intersection of two perpendicular lines drawn from the lateral edge (also known as the boundary between the palmar and dorsal sides, or the red and white skin junction) and the lower edge of the toenail.