The canthoplasty procedure is also known as canthopexy, which is a vertical fold of skin in front of the inner canthus. It covers up the inner canthus, making the angle of the inner canthus smaller than it would be without the canthus, and it also blocks part of the field of vision, so that people with double lids can only form “half pairs” and affect the beauty of their eyes. The main treatment for canthus is surgical correction. The surgical method of “opening the inner corner of the eye”: After canthus correction surgery, the eye canthus can be enlarged to make the eyes appear bright and luminous, so many people will choose this surgery to improve the shape of the eyes. The most common methods used in clinical practice are the “V-Y” suture method, the “Z” molding method and the four-flap method. The former is suitable for mild canthus, while the latter is suitable for all types of canthus. Regardless of the method, the incision will leave a certain amount of scarring 3-6 months after surgery. Second, open eye surgery to adapt to the crowd: the eyes are too small hope to correct the surgical plastic surgery method. Third, open eye surgery precautions: 1, two weeks before surgery, do not take drugs containing aspirin, because aspirin will make the platelet clotting function is reduced; 2, patients suffering from hypertension and diabetes, should inform the doctor of the condition at the initial consultation, so that the doctor to confirm the surgical plan; 3, to determine the health before surgery, no infectious diseases or other inflammatory diseases; 4, before surgery Do not wear makeup; 5, women should avoid menstruation; 6, men should quit smoking a week in advance. Fourth, after the eye surgery precautions: 1, within 5 days after surgery to avoid the surgical site with water; 2, to ensure that the surgical site clean, to prevent infection. If there is blood crust or secretion on the wound, sterile saline can be used to wipe. 3.After surgery, the local wound can be dressed with pressure or cold compress with ice bag, but the pressure should not be high to avoid damage to the eye. Once bleeding and serious hematoma occur after surgery, follow up with the hospital in a timely manner; 4, a quiet and comfortable environment should be provided for recuperation after surgery. Avoid watching TV and newspapers for 2 weeks after surgery. It is better to rest in bed in a semi-recumbent position (with the pillow padded high) to avoid aggravating the wound swelling due to excessive eye strain or low head position; 5.