In fact, swimming in sports is a good choice, because if you insist on hula hoop and sit-ups, even if you stop, your stomach will be bigger than before. What's more, when you are doing these exercises, you are aiming at a certain part of your stomach ... It's best to try to quit snacks or eat less. Drinks (especially carbonated drinks) tend to get fat. If you can, you can drink warm water in the morning. It's not too heavy to insist on drinking ... it's better for your health. Choose one that has no side effects and good weight loss effect.