Innovation and development of information technology and open the computer gaming market in recent years. It has become one of the methods of providing recreation of people that connect to the Internet to play computer online games by computer. After we explores the background of "Electronic games", "Computer games", "Online game", "Computer Online Game" and "e-Sport" in Taiwan, we can find that the main item recreation of outdoor activities in the past, has gradually been replaced by online games. It has become one of Taiwan's major recreation activities, with the development of computer games market and industry. This study aimed to explore people's motivation and satisfaction through participate in online games. Questionnaires used by electronic and paper with convenience sampling. Collected data from 1,021 valid questionnaires of computer online game players. The results show that motivation and satisfaction without significant differences in ages, but educational attainment, gaming place, connection to Internet way, connection to Internet price are significant differences.