What is the difference between double eyelid and single eyelid?

If you want to effectively and persistently become double eyelids, you should go to a regular beauty hospital for detailed examination, cooperate with doctors for surgery, catgut embedding and other related treatments; after surgery, use antibiotics, anti-inflammatory, detumescence and other drugs according to doctor's advice. Avoid using folk methods without scientific basis, which are easy to cause skin relaxation and affect beauty.