The invention provides a method and system for realizing program testing. The method comprises the steps: generating a testing command value according to testing operation of a user in a monitor program and transmitting the testing command value to a main program through the monitor program; executing a testing task corresponding to the testing command value in a to-be-tested main program through the testing command value; storing running state information, generated by the main program during the execution of the testing task, to a log file. The system comprises a transmission module, a test execution module and a log storage module; the transmission module is used for generating a testing command value according to the testing operation of a user in a monitor program and transmitting the testing command value to a main program through the monitor program; the test execution module is used for executing a testing task corresponding to the testing command value in a to-be-tested main program through the testing command value; the log storage module is used for storing running state information, generated by the main program during the execution of the testing task, to a log file. By adopting the invention, a program can be automatically tested.