The Fifteenth International Symposium on Electroanalytical Chemistry (15th ISEAC) will be held in Changchun, China, August 13-16, 2015. Since 1987 the first ISEAC was held under the auspices of the Chinese Chemical Society (CCS) and the Chinese Academy of Sciences (CAS), it has been held in Changchun, the beautiful city in the Northeast of China, regularly every two years. The aim of the symposium is to provide a forum open to all of electroanalytical chemists in the world to discuss their recent findings and information, and exchange their mutual interests or a broad area of electroanalytical chemistry for possible cooperation and to promote international friendship. 　　It is always organized on behalf of the CCS and CAS mainly by the Open Laboratory of Electroanalytical Chemistry (LEAC) in the Changchun Institute of Applied Chemistry (CIAC) of the CAS. The LEAC has been promoted to the State Key Laboratory of Electroanalytical Chemistry (SKLEAC) in 2001. 　　The 15th ISEAC will be in a new way! Registrater, submission abstract and hotel reservation on-line which will be finished ahead of time. Check your information and pay for symposium registration will be the only matters you have to couple with on-site registration.