Autologous fat filler buttocks can usually achieve the effect in 2~4 times. Autologous fat filling mainly extracts the excess fat from legs or abdomen and fills it into buttocks after special treatment, which can make buttocks become plump and achieve the effect of plumpness. The amount of autologous fat filled each time is not much, and the absorption is more serious after filling, the general survival rate is 40%-70%, so it is better to fill the buttocks for 2~4 times so as to achieve better results. Hip autologous fat filling should pay attention to try not to press the buttocks, so as not to affect the survival rate of injected filled fat cells, affecting the postoperative effect, usually try to take the prone position. The injected filler site should be kept dry, do not get wet, so as to avoid infection. Don’t do sauna and hot compress within two weeks after surgery, so as not to affect the survival rate of fat cells. It is recommended that if there are any uncomfortable symptoms after autologous fat filling, you should seek medical treatment in time, so as not to delay the condition.