Top domestic level. According to official website of Chinese Academy of Sciences, the Institute of Physics of Chinese Academy of Sciences has many excellent researchers and achievements, and has made important scientific research achievements in condensed matter physics, optics, atomic and molecular physics, plasma physics, theoretical physics, computational physics and other fields. It is the top physics research institute in China. Institute of Physics, Chinese Academy of Sciences is a comprehensive national key scientific research institution affiliated to China Academy of Sciences, which was founded in 1950.