Aiming at the problem of fault free reconfiguration ability of stratospheric airship energy system. This paper studies the fault reconstruction technology of energy system, and puts forward the stratospheric airship hierarchical fault reconstruction energy system and control strategy based on distributed structure. The energy system adopts the architecture of distributed energy cabin. The structure of double bus and double switch is used inside the energy cabin, and a solid-state switch is connected in series on each bus. Ring, star and mesh structures are used between energy cabins to form a distributed power interconnection system. With the addition of a small number of solid-state switches and cables, the system reconfiguration under five single and combined faults can be realized, which greatly improves the reliability and fault tolerance of the system. At the same time, this paper compares the characteristics of three kinds of energy cabin structures, providing reference for practical application. Finally, the simulation analysis in MATLAB verifies the effectiveness of the proposed scheme.