China’s manned spaceflight missions have been introduced briefly,and the research planning of space sciences for China’s Space Station(CSS) has been presented with the topics in the research areas,including:life science and biotechnology,microgravity fluid physics and combustion science,space material science,fundamental physics,space astronomy and astrophysics,earth sciences and application,space physics and space environment,experiments of new space technology.The research facilities,experiment racks,and supporting system planned in CSS have been described,including:multifunctional optical facility,research facility of quantum and optic transmission,and a dozen of research racks for space sciences in pressurized module,etc.In the next decade,significant breakthroughs in space science and utilization will hopefully be achieved,and great contributions will be made to satisfy the need of the social development and people’s daily life. China’s manned spaceflight missions have been introduced briefly, and the research planning of space sciences for China’s Space Station (CSS) has been presented with the topics in the research areas, including: life science and biotechnology, microgravity fluid physics and combustion science, space material science, fundamental physics, space astronomy and astrophysics, earth sciences and application, space physics and space environment, experiments of new space technology. research facilities, experiment racks, and supporting system planned in CSS have been described, including: multifunctional optical facility, research facility of quantum and optic transmission, and a dozen of research racks for space sciences in pressurized module, etc.In the next decade, significant breakthroughs in space science and utilization will hopefully be achieved, and great contributions will be made to satisfy the need of the social development and people’s daily life.