Sanyinjiao point: three inches above the tip of the medial malleolus, at the posterior edge of the tibia. (three inches in length. That is, the width of your four horizontal fingers is three inches on your body when your palm is flat. )

Location of Guanyuan point: it is located three inches below the umbilicus. Methods: Acupoints 3 inches below the umbilicus and on the ventral line were taken. (The level of four fingers is three inches)