Injecting lip augmentation is to make the lips full in some way. Lips are a very important part of the face. Having beautiful lips can make people more attractive. So many people enrich their lips in various ways. The ideal standard of lip beauty is: the thickness of upper lip red lip center is 7-8mm, the thickness of lower lip red lip center is 10mm, the lip arch line is clear, the lip peak point is 3-5mm higher than the entrance notch, and the width of oral fissure is 45-50mm for men and 42-50mm for women. In fact, the highest standard of beautiful lips is harmony with the whole face and symmetry with other organs, which is the most beautiful lips.