Disclosed herein is a system and method for virtual martial arts training using a network. The system includes a user terminal, a network server, a data management unit, and a network administrator terminal. The user terminal exchanges user information with a network server, selects a training discipline and grade or an examination discipline and grade, and transmits a difference value and a correction value together with a user motion image. The network server includes user information management means, training information management means, examination information management means, examination and determination management means, image information management means, and communication means. The data management means includes a user information database (DB), a training information DB, an examination information DB, an examination and determination DB, and an image information DB, and inputs and outputs the information. The network administrator terminal accesses the network server to exchange network administrator information, and manages the system.