The Institute of High Energy Physics(IHEP) is the biggest and comprehensive fundamental research center in China. The major research fields of IHEP are particle physics, accelerator physics and technologies, radiation technologies and application, including the following leading research areas: - Particle physics experiments: BES, neutrino experiments, experiments at LHC and B-factories… - Theoretical Physics: particle physics, medium and high energy nuclear physics, cosmology, field theory… - Particle astrophysics: cosmic ray, astrophysics experiments… - Accelerator physics and technology: high luminosity e+e– collider, high power proton accelerator, accelerator applications… - Synchrotron radiation: technology and application; - Nuclear analytical technique and application; - Free electron laser; - Nuclear detector and fast electronics; Computing and network application; - Radiation protection. 　　IHEP has extensive cooperation with all high energy physics laboratories and participates in many important particle physics experiments in the world.