For evaluating performance of the flight simulator according to the new qualification standard, and submit the Qualification Test Guide(QTG) report, the paper does research into Qualification Test software development of the flight simulator; Firstly introduces the standards of the flight simulator performance evaluation; Secondly introduces the structure of Qualification Test software system, the general design of the software and the detailed design of the main module; At last, makes the software tested and verified through a test data of a certain type flight simulator, it shows that the software realized the basic functions, and it can meet the practical application requirements.