The children's smart watch designed for Wenquxing combines innovative technology and the design concept of children's fun. The appearance of the watch design, the use of 2.5D touch screen, light touch can be operated. The strap is designed with a finger pressure plate, which is convenient for children to wear. While being non-slip and breathable, it can also press fingers to relieve body and mind. Watch purple and pink with the main coordination, cute and playful. For functions, it not only has practical functions such as 4G calling, video calling, photographing, GPS positioning, etc., but also has rich App applications and puzzle games. In addition to the practical functions, we have designed a number of children's details, such as lovely dial, weather forecast animation and so on, so that children feel happy in the process of using the watch. This children's smart watch not only considers the practicality, but also fully reflects the children's interest and sense of science and technology.