People need to play sports because it is a good way of relaxing.When we are tired of work or study,we need to play football,basketball,talbe tennis and so on.It can not only rest our brains and eyes but also help buid our bodies.I think it's really helpful to both our health and our study or work.Besides,It can help us make lots of new friends and communicate with each other well.What's more,it is good for teamwork when we play sports.And it can also make us feel comfortable and refreshed.