The article discusses the positive effects of toys on children's development, such as character building, intellectual development, and socialization processes. Toys satisfy children's curiosity and help them understand the world. They can also help children express emotions, for example, interaction with toys allows them to experience, understand, and accept their emotions. In addition, sharing toys allows children to learn to take care of others and understand the value of sharing. With the development of science and technology, smart toys can guide children to learn by themselves, improve their innovative and independent thinking ability, and some can even provide programming teaching for children.