The process of decreasing the swelling of facial fat filler, within 48 hours after filling, the tissue is in the exudation period, and edema starts to appear on the face at this time, after 48 hours, the tissue will flow back and the swelling will gradually start to decrease. However, during the operation, it is easy to touch the capillaries and bruises or hematomas will appear. The bruises and hematomas will be completely absorbed in about 2-4 weeks. There is a different situation of fat, because fat filling has the problem of absorption rate, that is, it is impossible for the fat to be completely alive after filling to the face, and the regular absorption process is stable routinely in about 3 months.