The 12th Asia Pacific Physics Conference (APPC12) is going to be held in July 14-19, 2013 in Makuhari, Chiba, Japan. This triennial meeting is organized by the Physical Society of Japan(JPS) and the Japan Society of Applied Physics(JSAP) under the auspices of the Association of Asia Pacific Physical Societies (AAPPS) . These are dedicated to the presentation and discussion of the latest developments and ideas in physics and related science in the Asia-Pacific region physics communities. It is our great pleasure to invite you to attend APPC12. ASEPS,The 3rd Asia-Europe Physics Summit, is also going to be held during this period through collaboration between AAPPS and EPS(European Physical Society).