In medicine, there is no such thing as exercising for more than 30 minutes in order to reduce fat, and usually moderate exercise can help reduce fat. A moderate amount of aerobic exercise is helpful for fat elimination, such as jogging, swimming, jumping rope and so on. A moderate amount of aerobic exercise can consume calories, speed up the blood circulation of the body, thereby promoting the body’s metabolism, which helps to burn fat. But it takes a long time of persistence to get better results. Pay attention to warm up before exercise, you can carry out double lower limbs high leg raising training, lunge leg press training and so on. At the end of the exercise should also be appropriate stretching, to avoid muscle stiffness. At the same time, you need to control your diet and have a balanced nutritional mix to help burn fat. Therefore, aerobic exercise helps burn fat. However, it needs to be gradual and orderly according to your own situation, and you should not rush to get it done, so as not to cause physical discomfort. If discomfort occurs during exercise, it needs to be stopped in time and medical attention is recommended.