To improve reliability of the control software for rocket engine test,an engineering
method is introduced into the developing process of the software through requirement analysis.brief
design,detail design and software testing.Also quality management approaches are carried out con‘
sidering the features of development and application of the software,which are supervising and man—
aging the developing process from the aspects of review,test,validation,documenting and technical
status contr01.All the measures reach the goal of high reliability software development.