The best time for double eyelid secondary adjustment is mainly based on the surgical result. Early adjustment is appropriate within 1 week after surgery, and stable adjustment is appropriate within 6 months after surgery. Double eyelid secondary adjustment is the surgery to repair the failed double eyelid surgery again. If women are very dissatisfied with the post-operative results of double eyelid surgery, have serious asymmetry or functional disorders in the shape of both sides of the eyelids, or if the eye symptoms seriously affect daily life and cause psychological barriers, it is recommended to complete early repair within 1 week after surgery, otherwise late adjustment will increase the difficulty of surgery. If it is difficult to judge the surgical effect after surgery, it is recommended to observe temporarily and consider whether to make secondary adjustment after the swelling of the periocular tissues has subsided and the shape of the eyes has settled, and if adjustment is necessary, it is recommended to complete the repair within 6 months after surgery. It is recommended that children who need double eyelid adjustment go to a professional medical institution and have the surgery performed by an experienced professional surgeon.