Yes, it must be sealed, but if you are pregnant, you don't have to seal it. If you are not pregnant, you must seal it. He stimulated meridians to open acupoints where fat accumulated through Chinese medicine massage, which made fat burn quickly to eliminate toxins and regulate spleen function. Eating without sealing the hole will cause a rebound. Close the points of fat accumulation, so that fat has nowhere to accumulate and can only be excluded from the body or consumed. Pregnant women need to store nutrition. In the meantime, they can't seal points.