According to applying feature of power supply and distribution system in aerospace experiment field, the intelligent monitoring system is designed by adopting hierarchical distributed network structure which includes field layer, network layer, management layer, and command center layer. The monitoring software based on configuration software realized such functions as unify electric force management, optimize electric force balance, economize electrical energy loss, extend lifetime of equipments, improve qualities of environment protection, promote efficiency and managing level. Applying result indicates: the system satisfies the requirement of aero experimenting task.