Fat, commonly known as human soft gold, autologous fat filler, as a popular plastic surgery project nowadays, has been praised by many beauty seekers. The most concerned about autologous fat is its survival rate, so how high is the survival rate of autologous fat and what factors affect it? There is no single reason that affects the survival rate of fat, it mainly depends on the doctor’s technique and the quality of one’s own fat. By technology, we mean surgical instruments, needles, suction pressure, doctor’s technique, liposuction level, liposuction area, fat purification process, etc. Fat quality, on the other hand, varies from person to person. If the density and viscosity of the fat is just right, then the survival rate of the fat is high. If the fat is mixed with oil and impurities, then the fat survival rate is poor. People who are thinner, have less fat in their bodies and less pure fat, then their fat survival rate is relatively low. The survival rate of traditional autologous pure fat particles transplantation is usually around 30%-70%. It should also be noted that autologous fat filler needs to be done in stages. If the area to be filled has too much depression, usually 2-4 fillers will be able to achieve a more permanent fullness effect.