(1) Skin excision of inner canthus: It is suitable for patients with small epicanthus. The method is simply to remove the extra skin of the inner canthus, peel it off slightly, then pull the inner canthus skin to the nose to expose the inner canthus angle, and then sew the skin. This operation mode is not ideal and is rarely used.

(2)Y-V suture: it is suitable for patients with mild epicanthus. The method is to make a transverse Y-shaped incision in the inner canthus, the size is determined according to the need, and the upper and lower width should generally be greater than the eyelid fissure. The vegetation was pulled and sutured to the nasal side, and the wound was transverse V-shaped after suture.

(3)Blair-Brown method: It is suitable for patients with large epicanthus. The method is to make an incision in the inner canthus, peel it into two triangular skin flaps, reach the medial canthus ligament directly, sew the medial canthus ligament close to the nose, pull the tips of the two skin flaps towards the nose, sew them at the top of the transverse incision, and finally sew the edges of each skin wound into an isin shape in turn.

(4) Peace method: It is suitable for patients with epicanthus. The method is to make a gt-shaped incision in the inner canthus, peel off the flap, fix a needle in the inner canthus, and release the excess skin. Cut off the skin protruding up and down from the corner of the eye and sew it into lt shape.

(5)Z plasty: It is suitable for all kinds of epicanthus patients. Methods a z-shaped incision was made in the inner canthus, and the subcutaneous tissue around the incision was peeled off to make two triangular flaps. After the two flaps were exchanged, the edge of the skin wound was sutured. Clinically, it is often divided into a variety of specific surgical methods. Generally, according to the different conditions of patients, different Z-plastic methods are adopted.

(6) Mustard seed method (four-flap plasty): This is a commonly used surgical method with good curative effect. It is suitable for patients with epicanthus varus, widening epicanthus distance, ptosis and ptosis. The method is to make four flaps on the inner canthus and switch positions for suture.

(7) Speath flap correction: it is suitable for epicanthus with slight ectropion of lower eyelid. The method is to make a tongue-shaped flap on the inner side of the inner canthus upper eyelid, peel it off and transfer it to the skin defect area of the lower eyelid, and suture the wound edge.