For software systems, system testing is the most critical part of its development. Because the system test to ensure the operation of the system and whether it is safe and reliable. System testing is the last process of software design. If the purpose of testing is to find as many errors as possible, then the test should be directly aimed at the more complex parts of the software or the location where there were more errors in the past. The purpose of the test is to find the corresponding solution to the error. This view can be a reminder test, centered on finding errors and does not show correctness to the software. But it can be misleading, and this view can be misleading. It was found that the only goal of the software test was to find errors, which were worthless tests.