After learning the methods and processes of software engineering development, we know that software testing is an important part of software development, software developers often have to write programs at the same time to test, as far as possible to make the written programs more simplified and practical. After developing and debugging all functional modules, they must be jointly adjusted and tested in a more professional manner. Software testing is the ability to detect as many problems and errors as possible before the software is put into production and use, so as to avoid these problems and errors on the actual production and operation of irreparable damage. Therefore, system testing is an indispensable part of system development.