The smart watches are built into an intelligent system on the basis of traditional watches, which can intelligently remind, synchronize the information recorded by the watch function to the mobile phone for users to understand, or can connect wifi and bluetooth to insert the phone card to realize the watch synchronization in the mobile phone. The functions of answering calls, replying to text messages, emails, social applications, music and so on. Compared with traditional watches, it has added a lot of technology, not only a watch but also a smart product.