When it comes to surgery, I believe what comes to mind is an open abdomen and then a scar of stitches on the belly forever. However, the entire weight loss surgery does not require an open abdomen, but is performed with a lumpectomy, and the entire operation is very delicate, which is one of the reasons why weight loss surgery is safer. Although there is no need to open the abdomen, traditional weight loss surgery also requires 3 to 4 0.5-1cm incisions in the abdomen. The post-operative scars are indeed not as obvious as the open surgical scars, but they still affect the aesthetics for some beauty lovers. Therefore, considering some of the beauty loving groups, the traditional weight reduction surgery that requires four holes can now be developed to a single-hole medical technique. The single-hole bariatric surgery also does not need to open holes in the abdomen and leave scars, but hides the scars in the umbilicus, which is very hidden and difficult to detect after surgery, and the wound heals quickly. Due to the reduction in the number of openings, the chance of surgical infection and the risk of complications are also reduced along with the surgery, which is not only aesthetic but also safer. However, the single-hole weight loss surgery is particularly demanding on the doctor’s skills and team, and there are only a handful of hospitals in the country that can routinely carry out this surgery.