This course introduces basic concepts and applications of electronic commerce (EC) for undergraduate students. This course provides students with fundamental knowledge and capabilities to implement electronic commerce practices. The major topics included in this course are (1) Applications of information technology on EC: infrastructure for EC, website planning, virtual community, mobile commerce, etc., (2) Fintech on EC business: EC Fintech introduction and service of EC, etc., (3) Economic and information security on EC (privacy, electronic signature, etc. Case studies on EC are introduced in this course.