In the long-term application and development of single-chip microcomputer project using graphical software,a set of single-chip microcomputer system project-based mode applications involving sensor data acquisition,data processing,serial port data transmission and reception,information display,status indication and warning,automatic control,manual control,upper computer control,voice recognition control and remote APP control,as well as single-chip microcomputer system project application involving single-chip microcomputer initialization,master control system and timer application have been formed.Through specific analysis and methods to optimize the application of single-chip microcomputer projects for graphical programming,it is a reference for single-chip graphical software programmers.