This situation may be caused by congenital development, mostly because the lower eyelid is thick with fat. This situation can only be treated by surgery, and the appearance can be improved by removing excess fat from the lower eyelid. Another common reason may be due to overuse of eyes and fatigue. This situation can only be improved by improving eye habits and sleeping habits. Most patients recover quickly, but it is suggested that they can persist for a long time to ensure good habits. There are other reasons, such as loose skin with age, which most people will have. The main treatment method is to use some products to improve relaxation in the early stage, and then perform surgery in the later stage to remove some loose skin to achieve the improvement effect.