Under-eye bags are common in middle-aged and elderly people, but some people will develop bags between the ages of 20 and 30, most often as a result of fat accumulation due to poor lifestyle habits. Surgical removal is the most immediate solution to under-eye bags. So, what kind of eye bags need to be removed surgically? Will it rebound after surgery? The following is a brief introduction by Professor Wen Huicai from the Department of Plastic and Reconstructive Surgery of the First Affiliated Hospital of Nanchang University. The reason for the formation of bags under the eyes is that as age increases, the skin, subcutaneous tissue, muscle and its related structures undergo degenerative changes so that the skin thins, elasticity decreases and relaxes, while the fat behind the orbital diaphragm does not shrink but increases, and protrudes into the relaxed orbital skin that presents changes in bags under the eyes. Due to congenital genetic factors, the orbicularis oculi muscle is thickened, and the skin shows a whorl-like protrusion, especially when smiling. Traumatic factors cause damage to the orbicularis oculi and orbital diaphragm, and the fatty orbital fat will protrude with the weak skin subcutaneously. In addition, strain, poor sleep, excessive night life and systemic or chronic diseases can easily induce or accelerate the appearance of under-eye bags, and even present dark circles around the orbit. The true and false nature of eye bags Eye bags are indeed divided into two types: true and false, and false eye bags are also called reversible eye bags, which are similar to dark circles. Pseudo eye bags can be improved and restored, while real eye bags, once formed, cannot be removed at all through cosmetics or some treatments in beauty salons, and the only way is to implement eye bag removal surgery. There are two types of eye bags removal, internal and external (1), internal method requires a very small incision from the inner conjunctiva of the lid, the whole procedure is short, this technique has no damage to the skin surface, wide range of adaptation, not easy to recur; the advantage of external method is that it can solve the 3 states of eye bags at one time: thinning the orbicularis muscle, removing fat, tightening the skin under the eyes to remove wrinkles. However, compared with the internal method, (2), the risk of the external method is that it may cause eyelid ectropion. Therefore, when you have an eyebag removal surgery, you should find a regular plastic surgery hospital to avoid the lower eyelid ectropion and the inability to close the eyes. Whether eye bag removal surgery will rebound after it is performed Eye bag removal surgery is currently the most effective way to solve eye bags, and the fat will not usually grow back after removal, so usually no rebound will occur. Of course, there are some differences depending on the individual situation, the level of treatment technology and the way of treatment. In addition, the skin of the lower lid will gradually relax normally with age, resulting in skin laxity.