Efficacy: This position is the main way for the mother to supply nutrition and the fetus to metabolize itself. This acupoint is separated from the mother's body after birth and has been the main part of acupuncture and navel therapy for thousands of years. Constant pressing and stimulation can make ren meridian and meridian pass through the abdomen, so as to achieve the purpose of dredging qi and blood, balancing yin and yang, and regulating viscera. Can be used for treating bowel sounds, abdominal pain, diarrhea, proctoptosis, etc. , enhance human immunity.