Carbon fiber prepreg is a composite of epoxy resin on carbon fiber through high pressure and high temperature technology. The composite material made of carbon fiber yarn, epoxy resin, release paper and other materials through the processes of coating, hot pressing, cooling, laminating, winding, etc. is called carbon fiber prepreg. It has the advantages of high strength and low density, and is an important material for the development of the aerospace field today. In recent years, the utilization rate of carbon fiber composite materials on space vehicles such as satellites and spacecraft has increased year by year, meeting many functional requirements of spacecraft.