Euro-China Conference on Intelligent Data Analysis and Applications was cosponsored by VSB-Technical University of Ostrava in Czech and Big Data Mining and Application Key Lab of Fujian Province in China.The conference is held by China and Europe alternately each year for promoting international academic exchanges between China and Europe. So far, four successful conferences have been completed. The first was held in Shenzhen by Harbin Institute of Technology. The second was hosted in Czech by VSB-Technical University of Ostrava. The third was organized by Fujian University of Technology and Big Data Mining and Application Key Lab of Fujian Province in Fuzhou. The fourth was hosted byMalaga University in Spain. Experts and scholars from about 10 countrieswere invited to attend and discussed the latest research progress and future development of intelligent data analysis and application.