If you want to change from single eyelid to double eyelid, the common methods include applying double eyelid stickers and double eyelid plastic surgery. 1. Double eyelid stickers: Double eyelid stickers are a common way of adjusting single eyelids to create a double eyelid with a crease line, but this method is temporary. 2. Double eyelid plastic surgery: If you want to achieve a long-lasting double eyelid effect, the more ideal method is to carry out double eyelid plastic surgery, such as positioning double eyelid, full cut double eyelid, etc., generally can achieve good results, after the operation, you should pay attention to keep the wounds dry, avoid spicy and stimulating food, and actively change the anti-infection treatment. Surgical treatment should choose regular hospitals, find experienced doctors to operate, but also to do a good job of postoperative care, discomfort, timely consultation, active treatment, so as not to delay the condition.