Eye synthesis includes: double eyelid surgery, canthus opening, eye bags removal, dark circles removal, lacrimal passage filling and silkworm rearing. These projects are to make eyes look more beautiful and natural. Among them, double eyelid surgery is the most common eye plastic surgery, which can turn a single eyelid into a double eyelid by sewing or cutting; Opening the corner of the eye is to cut the inner corner of the eye to make the eyes look brighter.