Spacecraft faces a complex environment of repeated takeoff and landing， large temperature difference， strong vibration and severe impact. In order to improve its usability and maintainability， and enhance the acquisition of the structural capacity data of the spacecraft in the whole life cycle， it is necessary to monitor the health status of the spacecraft structure all day long and carry out research on structural health management technology. The data acquisition， transmission， collection and processing of the sensitive measuring points inside and outside the spacecraft are realized by wireless， and the all-round all-weather health monitoring function of the spacecraft structure is realized. The design of wireless health monitoring system for spacecraft is studied. The prototype implementation of wireless health monitoring system for spacecraft is realized.