The China Committee for Radiation Research (CCRR) is pleased to invite you to China for the 3rd Asian Congress of Radiation Research (ACRR2013). ACRR2013 theme will be "Radiation Protection and Emergency: Status & Prospects". To make global society become more harmonious and affluent, radiation research has been the integral part of society development. Nowadays, Radiation research has covered a wide range of research area, such as radiation/radio-nuclide based diagnosis, cancer diagnostic and therapy, biophysical analysis, and so on. So radiation protection and emergency has attracted a matter of concern to public as well as to nuclear workers.