Cryogenic solid propulsion(CSP) technology is a comprehensive technology of solid propellant and liquid propellant. The most important advantages of CSP are its simple structure,high reliability,high energy level and low environmental hazard. The research development of CSP at home and abroad on performance,composition,grain forms and principle motor fire test was introduced,and the future trend of CSP was to further increase its storable and usable temperature and energy level by different means.