"Run at a speed of 7~8 for about an hour, at least for more than 30 minutes. You can refer to the reference value of "Pay attention to stretching after running". But we must follow a goal. What time and intensity can make you sweat the most? Treadmill belongs to aerobic exercise. Some people start sweating as soon as they exercise. Such people can slow down appropriately and maintain their physical strength for a period of time. Some people run for a long time without sweating. You can increase the point speed appropriately. The heart rate should be controlled around 130. The training time is gradually lengthened. This is what you need to explore in training.