Open eye angle, double eyelid cutting, are now more popular eye plastic surgery. But plastic surgery is a double-edged sword, open eye angle, double eyelid cutting, although the advantages, but there are also certain disadvantages, as follows: 1, the corner of the eye, the outer corner of the eye, open the inner corner of the eye is more common, the demand is great, can make the eyes look bigger, but will destroy the original eye length and width ratio, and open the outer corner of the eye is not advocated to do surgery, because open the outer corner of the eye using tension suture, there is tension will retract, although you can achieve the effect of the outer corner of the eye expansion, but the effect will not be obvious after retraction; 2, double eyelid cutting, although from the theoretical point of view, but the effect will not be obvious. Although you can achieve the effect of expanding the outer corner of the eye, but the effect will not be obvious after retraction; 2, although theoretically there is no harm in cutting double eyelid, but there are some complications, such as bilateral double eyelid asymmetry, bruising or severe edema, and even bleeding after the formation of bruising and bruising around the eyes. In general, as long as you go to a regular hospital, the doctor will develop a treatment plan according to the patient’s personal situation, and you can avoid some post-operative complications to the maximum extent.