Qihai point belongs to the Ren Vessel, and its exact location is in the lower abdomen, 1.5 inches below the umbilicus, on the anterior midline. The location of the Qihai point can be located by using the cross-finger method of the same body inches: four fingers of the hand in addition to the thumb of the person taking the point together, to the middle finger of the middle finger of the person taking the point of the transverse stripe shall prevail, the width of its four fingers as 3 inches, the four fingers and the end of the horizontal flat navel, with the other end of the location of the distance that is three inches, the location of the point of the Qihai point in the midpoint of the position. Qihai point has the benefit of qi to help yang (to promote the generation of yang in the way of qi tonic), regulating menstruation and fixing the effects of essence, mainly used for the treatment of qi deficiency, bowel disease and gynecological diseases, but also health care moxibustion commonly used points. This point is mostly used with moxibustion, pregnant women should be cautious. It should be noted that a single point usually can not completely cure the disease, often need to be matched with other points, at the same time, whether it is acupuncture or moxibustion, can not be operated without authorization, the need for professional doctors to operate.