To begin with, spending time on homework and relative activities make it possible for children to embrace a more promising future. That is to say, doing homework and related things equip children more capabilities to go through their school life. As we all know, most standards to judge a child is from their academic performance and related information, so more time on study means more possibility to get a better assessment. For one thing, learning knowledge and practicing related activities, besides increasing in knowledge, enable children to enhance their learning abilities so that they may build up their own learning systems which will be beneficial to their future development. During the process of learning, children get in touch with new things from awareness to cognition. They may encounter such circulation all through their whole life. A proper way to study and to put knowledge into practice is essential for everyone and the only way to develop the proper habit is to educate children. For another, through related activities or sports, children will have more friends and share a deep bond with their classmates. Childhood is a time when children develop their characters, and it is also a time when children start to gain their identity. Studying in school and doing similar homework provide a good way for children to share ideas during which children may find many commons with their classmates and build their own social circle. Doing activities and sports act as a bond that holds children together, aiming to the same goal and trusting each other.