WeChat small program is a kind of application that can be used without downloading and installing, users can open the application by sweeping or searching, which can be used at any time, but does not need to be installed and uninstalled. There are many uses for small programs, and the future prospects are huge, because under the new retail, the transformation of physical stores are inseparable from the access to small programs, for companies can promote their brands and influence through small programs, for businesses can expand sales channels through small programs and so on.

It's advantages are also very obvious, for developers, small program development threshold is relatively low, the difficulty is less than APP, can meet the simple basic application, suitable for life service class offline stores and non-demanding low-frequency application conversion. Small programs can realize seven functions such as message notification, offline code scanning and public number association. Among them, through the public number association, users can realize the public number and small program to jump between each other.