Is the Guanyuan point four fingers below the umbilicus or four fingers in the umbilicus?

Guanyuan point is on the anterior midline, four fingers below the umbilicus.
Guanyuan is one of the acupoints on the Ren vein, which is the recruitment point of the small intestine and the meeting point of the foot San Yin meridian and the Ren vein. Guanyuan is an important point for health care, with the effects of strengthening health care, warming the spleen and kidney. It can be used clinically to treat impotence, diarrhea, spermatorrhea, dysuria, dyspareunia, dysmenorrhea, abdominal pain and other conditions.
Guanyuan points can generally be used in conjunction with acupoints such as Vital Gate, Zhimen, Lumbar Yangguan, Kidney Yu, Qihai, and so on. Guanyuan acupoint is mostly moxibustion, acupuncture is usually used straight, but need to urinate before acupuncture this point. Pregnant women are advised to use this point with caution.
Acupuncture and other operations must be carried out by a professional Chinese medicine practitioner, do not operate on your own to avoid adverse consequences.