(It is recommended to jump 15-20 minutes, divide into 5 groups, have a rest in the middle, and do it properly regardless of weight loss and exercise. You can't lose weight desperately, you should have the right time to lose weight. Too much will lead to physical collapse. Some people don't drink water or eat in order to lose weight, which later leads to nutritional imbalance. This is very serious. So try to lose weight properly) This is my suggestion. What's your problem? Skipping rope for 40 minutes can consume 560 kilocalories.