Whether it is better to do double eyelids with full cut or buried line depends on the thickness of the eyelid, the amount of fat and other factors. The buried line method lasts for a short time in a simple way; the effect of the full cut method is maintained for a long period of time, but it is prone to scarring, which affects the aesthetics. Double eyelid refers to the upper eyelid skin has a shallow groove above the eyelid margin, mainly including buried eyelid surgery, incision blepharoplasty, specific which effect is good need to be determined by the person. Blepharoplasty is mainly used for single eyelids with thin eyelid skin and surrounding muscles, no canthus and sagging skin, but the effect of blepharoplasty is not permanent and needs to be repeated. Incision blepharoplasty consists of two methods, small incision incision + buried thread and large incision incision blepharoplasty. The former is suitable for people who do not have excessively loose upper eyelid skin and are not bloated, while the latter is suitable for people who are older, with loose upper eyelid skin and excessive intraorbital fat, etc. The surgical effect can be maintained for a long time, but it may produce linear scars, which may have an effect on the shape of the double eyelids. Regardless of the method, it is best to choose after an interview with a doctor. Double eyelids should be performed in a professional medical institution, while paying attention to the cleanliness of the eyes and avoiding direct sunlight.