The causes of pouch are mainly as follows: First, with the increase of age, the skin, subcutaneous tissue, muscles and related structures degenerate, making the skin thinner, lacking elasticity and relaxation, while the fat behind the orbital diaphragm does not shrink, but increases, protruding to the relaxed orbital diaphragm skin, resulting in pouch changes. Secondly, congenital genetic factors lead to the hypertrophy of orbicularis oculi muscle and the appearance of wheel-like processes outside the skin, especially when smiling. Thirdly, traumatic factors cause injuries to orbicularis oculi muscle and orbital diaphragm, that is, hypertrophic orbital fat protrudes under weak skin. In addition, due to fatigue, poor sleep, excessive nightlife and systemic or chronic diseases, it is easy to induce or accelerate the appearance of eye bags, and even dark circles around the orbit.