10 years old is the beginning of children's puberty. Children of this age begin to have their own independent thinking ability. They have the ability to judge the correctness of the problem and make reasonable decisions according to their own needs. In addition, they can undertake some more complicated tasks, such as taking care of younger children, using computers to communicate with more adults, and even playing chess or basketball. 10 years old, children begin to pay attention to their appearance and realize their physical development. They began to pay attention to their clothes, hairstyles and even their weight. They will try different styles of clothes and even try some bolder clothes, such as dyeing their hair in different colors. 10 years old, children began to pay attention to their academic performance and began to think about their future and career development. They realize that their academic performance is closely related to their future career development, so they will study harder and improve their learning ability.