Bariatric surgery has been gaining popularity over the years and more and more people are recognizing the dangers of obesity while simply learning about bariatric surgery. Today, sleeve gastric surgery and gastric bypass surgery are also basically familiar bariatric surgery procedures. However, despite this, there are still some areas for improvement in bariatric surgery that have been developed for more than 60 years, and many scientists and medical practitioners have been continuously conducting in-depth research on this. In the recent past, a “new” procedure has received a lot of attention in the field of bariatric surgery, the mini-gastric bypass. Technically speaking, the mini-gastric bypass is not a new procedure, as it was proposed in 2001 and has not been promoted due to complications associated with the procedure. The major difference between mini-gastric bypass surgery and conventional gastric bypass surgery is that it simplifies the surgical procedure and shortens the operating time. Why is a procedure that was “eliminated” more than a decade ago being brought back? For one thing, with the advancement of medical technology, some previously insurmountable problems have been solved; for another, some scientists have found that the therapeutic benefit of mini-gastric bypass surgery is higher than that of conventional gastric bypass surgery, and this procedure has great potential for future development; finally, conventional gastric bypass surgery has been difficult to promote because of its high operational difficulty, although its therapeutic effect is also better than many other procedures. Mini-gastric bypass surgery fills this gap. Of course, research on mini-gastric bypass is still ongoing, although we all believe that we will see widespread adoption in the near future. However, diseases caused by obesity should not be delayed, so if you find yourself with some obesity-related complications due to excessive obesity, you need to seek prompt medical attention.