Cloud is a metaphor for the Internet and the Internet. It is a new computing method based on the Internet. Its computing capability is 10 trillion times per second. Through this method, shared hardware and software resources and information can be provided to computers on demand. And other equipment. Cloud computing can be divided into basic platforms, management centers, application centers, and security centers. For smart homes, all the functions of cloud computing are based on the Internet and mobile Internet. Typical cloud computing providers will provide general-purpose network business applications that can be accessed through other software or Web services. The data is stored on servers. Cloud computing is a commercialized ultra-large-scale distributed computing technology. That is, users can automatically split the huge calculation processing programs required by existing networks into numerous smaller subroutines and then submit them to multiple servers. The more massive system that is composed, after searching, calculating and analyzing, returns the result of the processing to the user. TOPNOTCH INTERNATIONAL GROUP LIMITED , https://www.mic11.com