Whether it is a spacewalker or a treadmill, it can play a role in keeping fit. We can't generalize which is better. We can choose the fitness equipment that suits us according to our actual situation and exercise purpose, and the one that suits us is better. If you want to lose weight, you'd better choose a treadmill for exercise, which can burn calories and burn excess fat in your body. If you want to relax tight muscles after exercise or a hard day, you can choose to use the spacewalker, which can enhance the exercise effect, promote blood circulation and relieve physical fatigue. Running on the treadmill is an intense exercise, while people who walk in space are relatively relaxed. If you just want to relax your body, especially your leg muscles, it will be better to choose a spacewalker. Treadmill is an aerobic fitness equipment, which can exercise the whole body. In the process of exercise, all muscles of the whole body can participate in exercise, so as to realize the exercise of different parts of the body. The spacewalker is mainly used to exercise the muscles of lower limbs and has little effect on other parts. Treadmill belongs to indoor fitness equipment and is not affected by the weather environment; Spacewalker is an outdoor fitness equipment, which can't exercise well in bad weather. There is no absolute saying whether the spacewalker is better or the treadmill. It is suggested that you can choose the fitness equipment that suits you according to your actual situation and exercise purpose, and the one that suits you is better.