The exact location of Baihuan Yu point is in the sacral area, horizontal flat fourth post-sacral foramen, 1.5 inches beside the median sacral crest.
Baihuan Yu is the name of a meridian point, belonging to the foot solar bladder meridian, and its exact location is in the sacral area, transversely flat to the fourth post-sacral foramen, 1.5 inches beside the sacral median crest. The area of this point is covered with the middle and subgluteal cutaneous nerves, with the pubic nerves in the deep layers; there are the subgluteal arterial and venous veins, and in the deep layers, there are the internal arterial and venous veins of the pubic area.
The subcutaneous fascia under the point of Baihuan Yu is well developed, rich in fat and fiber bundles, especially the lower back of the buttocks is more hard and dense. When taking the point can be taken in a prone position, flat fourth post-sacral hole, 1.5 inches adjacent to the opening of the ducal vein. This point is beneficial to the kidneys, regulating the effects of menstruation, irregular menstruation, hypogonadism, enuresis, spermatorrhea, lumbosacral pain, hernia.
For those who are not able to locate the points, please consult a professional physician, and note that acupuncture treatment needs to be operated by a professional physician, and should not be operated blindly on your own in order to avoid causing injuries.