The 2011 International Conference on Mechatropic Science, Electric Engineering and Computer (MEC2011) will be held in Jilin City, Jilin, China from August 19 to 21, 2011. MEC2011 is co-sponsored by IEEE System, Man and Cybernetics Society (SMC), The Institute of Electrical and Electronics Engineers (IEEE), and Beihua University. We cordially invite you to attend MEC2011 which will provide you opportunities not only to exchange new ideas and application experiences, but also to establish business relations and research partners for future collaboration.