With the advent of the 5G era, the development and design of mobile applications has become an important development direction of widespread concern in various fields of the Internet, and the demand for mobile application development has also grown rapidly. Among the various development cross-platform frameworks for mobile development, flutter is the best, it is currently the most popular and easiest to use cross-platform development framework. In addition, selecting appropriate plug-ins in the process of developing mobile APP functions can effectively shorten the development cycle. Therefore, in order to better develop and improve development efficiency, the review and testing of plugins in Flutter for Android and IOS has become particularly important.