Although I don't want to hurt you, this exercise may be a little less for you who have formed fat in your chest for two months. Swimming and running, in particular, are not entirely aimed at chest and abdomen fat, and are more suitable for overall weight loss and body shaping. Moreover, losing weight is not something that can be solved overnight. Excessive fat consumption will affect your health. Your weight is also a key factor in determining your exercise style. If you are obese, I suggest that you don't run or jump rope, because it will damage your knee joint. If you are overweight, I suggest you keep this amount of exercise, but it is best to swim in the morning and run in the afternoon. You are doing aerobic exercise. Indoor swimming generally has ventilation system, so don't worry about ventilation, but running consumes a lot of oxygen, so it is best to do it in the afternoon with sufficient oxygen. In addition, you can also add some exercises aimed at the chest and abdomen, such as the most common but effective push-ups and sit-ups. In addition, because you can't go on a diet, you can eat less pork and more beef and white meat (chicken, duck, fish and so on). ) and enough fruits and vegetables, which will not only help you get enough nutrition, but also help your body regulate circulation and metabolism, which is more conducive to losing weight.