Nowadays, in some cities, we can witness some children are learning roller skating on squares. And for them, it seems like to be a new habit. However, as roller skating has been wildly accepted, there are some disputes about whether roller skating is a innocent toy or serious threat. In my opinion, although roller skating is defined as a extreme sports, it won’t threat others life so easily. And with full preparation, roller skating is a safe sports even for children. So I’d like to give some reasons to support roller skating. First, as an aerobic exercise, roller skating can beneficial to our health. It not only can increase our lung capacity, but also can burn up the fat. According to a research in 2016, roller skating will help us enhance