The fat loss heart rate of aerobic exercise should reach 60%-80% of the body’s maximum heart rate, and the exercise time should last more than 30 minutes to have weight loss effect. In the exercise will have a limit heart rate, that is, the maximum heart rate, equal to 220 minus age, for example, if a person’s age is 30 years old, the maximum heart rate is 190 times / min, fat loss heart rate should reach 60%-80% of the maximum heart rate, plus enough time to be able to effectively reduce fat. In the aerobic exercise, too obese people can not start strenuous and a lot of exercise at the beginning of the exercise, because then the cardiorespiratory function is not able to withstand a lot of exercise, it is recommended to carry out mild exercise first, gradually exercise to improve cardiorespiratory function, with weight loss, in slowly increase the amount of exercise. At the same time, when losing weight, you should also control your diet, and if you have a basic disease, it is recommended that you lose weight reasonably under the guidance of a doctor.