Diet medicine is a kind of medicine with weight loss effect. With the change of aesthetic concept, a drug that can make people lose weight has been derived. Because it can make the body faster and slimmer, it is loved by people who need to lose weight. There are all kinds of fake and shoddy diet pills on the market, which make many obese people cheated. There is only one diet drug approved by the US Food and Drug Administration, and that is orlistat.