Not everyone is born with natural beauty, and many have defects in their faces due to genetics or disease or trauma. People who are born with flat and sunken faces, even if they are cheerful, will bring an impression of “bitterness and hatred” when they first meet, and will make people look older than they really are, sometimes even more so for people with high cheekbones, sunken temples and sunken cheeks, thus making people look much worse. This is often referred to as the “bitter face”. In traditional thinking, a flat and sunken face is associated with a hard life or narrow-mindedness. Therefore, since ancient times, prestigious families picking their daughters-in-law will also require a full face and proper features. There are many reasons for the appearance of a sunken face; firstly, age: the sunken cheeks due to ageing will start to appear around the age of 40, and will be more obvious after the age of 45, with tear troughs, nasolabial folds, and marionette lines making people older; secondly, the sunken cheeks appear after weight loss and face slimming, weight loss in addition to body excess fat, but also remove the fat of the face to support the skin and apple machine, making the face sunken. Finally, there is another point: facial plastic surgery failure is also one of the important reasons for cheek sunkenness, such as facial liposuction failure, cheek sunkenness after Botox injection failure, etc. And autologous fat facial filler is the best way to solve this face; facial fat filler requires the surgeon in charge to have a very professional aesthetic concept and knowledge of traditional philology, depending on the person, according to the characteristics of each person’s face shape, pre-operative precise aesthetic design, intra-operative grasp of the filling level and filling amount, considering the presence of absorption index, precise filling, to create a plump and full for the beauty seeker “blessed face”. During the operation, autologous active fat cells are extracted and combined with high purity fat cells in a unique ratio to divide, regenerate and compound the cells, while activating the renewal of facial collagen, the skin glows and the acne marks and grayness diminish significantly, which is the reason why the skin texture of many candidates becomes significantly better after the operation. Skilled doctors will use multi-level three-dimensional injection technology to allow full contact between individual active fat cells and the graft bed to ensure fine shaping and high viability at the same time, micro and multi-point injection to make the distribution of active cells more even and improve the survival rate of fat cells to achieve the perfect preoperative design effect, so that the candidates have a plump, healthy and youthful facial effect presented. Facial fillers require professional plastic surgeons with maxillofacial surgery, plastic surgery, and phrenology concepts to carry out, the facial nerve vascular forest, filler injection fat a slight error will be irreversible accidents, the last reminder is still the same: carefully and carefully choose your main surgeon.