If you want to lose weight quickly, you have failed. Losing weight is a slow process. It is recommended to do more exercise. Don't drink. There is a playground in the school. If it is 400 meters, go jogging 10 laps every day. Go back to the dormitory and do hundreds of push-ups in bed. Do several sets of supine. Get down and do push-ups and leg lifts every day when you are free. If you make up your mind to stick to it, you will definitely be reduced.