In this paper expound adopt Visual Basic 5.0 to exploit dummy instrument test in Windows 95 environment, Use computer control precision LCR instrument test with GPIB interface, To resolve question of automatism test Precision LCR.

• 文中阐述了在Windows95环境下采用Visual Basic5.；0开发虚拟仪器；以微机通过GPIB接口控制精密LCR测试仪；解决了精密LCR自动测试问题。