The position of Rissolis is the muscle tissue two centimeters below the eyes, which is an inverted triangle, also known as "laughing muscle". When you laugh, you can make your cheeks show an apple-like curve. Risorius plastic surgery rich in autologous fat makes you smile even if you don't. Smiling makes you feel sweeter. Self-fat-rich risorius material is rich in resources and only needs a small amount of fat. Minimally invasive suction can be performed from the part of local fat accumulation. After careful screening, high-quality living fat was selected and injected into the place where Risolius needed to be filled.