Now often hear people say to lose weight, “I want to lose weight” “I am losing weight” has become almost everyone’s mantra, but there are also some people who are not fat also in the day to say to lose weight, is not really to pull hatred of it? So what kind of weight is needed to lose weight? In fact, for each person there is a standard weight, we can refer to the World Health Organization general body mass weight method to measure their weight, to make a simple judgment. The specific formula is as follows: Body Mass Index Method (BMI): BMI = weight (Kg) divided by height (m) squared. The BMI obtained in 18.5-24.9 is the normal range BMI more than 25 for overweight BMI more than 30 for obese people can calculate for themselves, if it is more than 25 that need to lose weight, if it is more than 30, then obesity has seriously affected the health of individuals and normal life. In modern society, we often fall into a misconception that the thinner the more beautiful, in fact, can not pursue too thin, although the mainstream aesthetic is now thin as beautiful, but still need to estimate their health status, there are many girls in order to be thinner and more beautiful, not hesitate to use some extreme ways to force themselves to lose weight, including dieting, no lunch, drinking diet pills, excessive exercise, etc., these behaviors are very dangerous The most important thing is that it can damage your gastrointestinal health and can cause serious anorexia nervosa and even gastrointestinal cancer, and drinking diet pills can affect your normal digestion and even your nervous system. For people who are slightly obese, they need to control their diet and exercise a little more to lose weight. For people who are severely obese, with a BMI ≥ 32 kgm2, and have been accompanied by some serious complications, they can try surgical techniques to reduce weight. Nowadays, weight reduction metabolic surgery is constantly developing and has helped many people to reduce weight safely, by improving the gastrointestinal digestive system to reduce stomach volume. This is done by improving the gastrointestinal digestive system to reduce gastric volume, lowering the secretion of hormones that stimulate the production of hunger, to achieve a weight loss goal, and also to treat some metabolic diseases caused by obesity. The need to lose weight must be based on their own physical condition, do not blindly lose weight, the need to lose weight must also find a way to suit themselves, remember not to rush, resulting in health effects.