Then eat less, hold a small piece of paper tightly above your knees in class, keep this exercise for as long as possible, and pay attention to the tightening of your legs and lower abdomen. It is also important to straighten your back, which will not only help you lose weight but also prevent hunchback. If you live on campus and feel hungry at night, you can eat some corn oatmeal, black sesame paste and lotus root starch, which can be brewed directly with boiling water or eat a fruit. If you want to increase the slimming effect, you can also add a proper amount of slimming powder to the above foods according to your personal situation.