Aqueduct is an important hydraulic structure.This paper combined the design of aqueduct with the theory of Visual Basic programming and went on application of computer program to realize check of every parts of aqueduct structure.It expounded the development and the process of realization for this software system,and discussed the design of overall framework,the partition of module and the realization of specific links at the same time.It also discussed the hydraulic calculation which the design concerned,s...