In order to satisfy the special requirements of super velocity data transmission in satellite laser communication, a type of multi-band filter membrane with high reflection at 532 nm, 632 nm, 1 064 nm wavelengths and high transmission at 808 nm, 1 550 nm wavelengths is prepared, adopting electronic beaming vacuum depositing method with the aid of ion assistant deposition technology. By selecting H4 and SiO2 as the high and low refractive index materials, continually optimizing the film system design curve, reducing the number of sensitive layers, the film structure is obtained that is easily prepared. The thin films are prepared through electron beam heating evaporation and ion assisted deposition system, and the film thickness is controlled using crystal-controlled and light control monitoring methods at the same time. By continually adjusting the process, the film laser damage resistance ability is improved, the control error is reduced, the transmittance of the transmission band and the reflectance of the reflection band are increased, and the filter membrane with better spectral performance is obtained. The experimental results show that the filter membrane can withstand rain, salt spray, high and low temperature and other environments, and meet the requirements in satellite laser communication.