Facial aging is characterized by a decline in skin quality, atrophy of subcutaneous soft tissues, and laxity and displacement of facial tissues. The use of fat or hyaluronic acid injections to restore the original volume of the facial soft tissues and rejuvenate the face with a three-dimensional and full soft tissue contour is a common means of rejuvenation in plastic surgery hospitals and outpatient clinics today. Fat and hyaluronic acid how to choose these two methods, but also has been confusing the majority of beauty seekers, this article will be compared to the advantages and disadvantages of the two, I hope you can understand. 1, autologous fat filling Advantages: (1) the graft is autologous tissue, safe (2) easy to take material, abundant sources (3) realistic appearance, soft feel (4) for local fat accumulation, play a role in body sculpture Disadvantages: (1) the survival rate is not stable, need a small number of times (2) may appear fat liquefaction infection and other complications (3) may appear mechanized, the body surface touch hard knots 2, hyaluronic acid filling Advantages: (1) simple and fast (2) natural appearance, good biological adaptability Disadvantages: (1) will be completely absorbed, need to be repeatedly injected (2) expensive If the injection level is not correct, deformation and displacement may occur (3) allergy, infection, granuloma may occur