The issues that need to be taken care of in double eyelid plastic surgery include preoperative and postoperative issues. Pre-operative issues that need to be noted are: 1. Choose the right type of double eyelid molding surgery according to the type of shape of your eyes. 2.According to the situation, choose whether you need to open the corners of the eyes, so as to make the eyes form more perfect. 3.Whether the eyes are swollen eyes before the operation, if they are swollen eyes, some of the upper eyelid fat needs to be removed during the operation. 4, whether the upper eyelid is sunken, if the upper eyelid is sunken need to be filled with fat, otherwise it is easy to form three eyelids or multiple eyelids after the operation. Postoperative precautions include: 1, half an hour after the operation, moderate pressure and cold compresses on both eyes, in order to help stop bleeding and swelling. 2.Cold compresses should be applied for three days after surgery. 3, prohibit strenuous activities after surgery, such as running, playing ball and other activities. 4, prohibit taking medicines that activate blood circulation and remove blood stasis to prevent bleeding from the wound. 5, 7 days after surgery, the wound can be removed, early removal of stitches can prevent scar proliferation. 6, prohibit the use of cosmetics to smear the wound within 3 months after surgery to avoid scar proliferation.