The purpose of this study is to analyze environment-friendly consumption behaviors and consumption value of adolescent consumers, and to analyze the effects of environmental knowledge, environment and experience, perception of environment, the awareness of consumption and environmental pollution, and consumption value on environment-friendly consumption behaviors of them. The data were collected by 999 adolescent consumers in Jeju Province. Data were analyzed by frequency, percentage, t-test, one-way ANOVA and Scheffe’s multiple range test using SPSS 12.0 Program . The results are as follows. Economy had the most cause and effect influence on environment-friendly purchasing behaviors, followed by experience of environmental activities, eco-friendliness, esthetic sense, enjoyment, and awareness of consumption and environmental pollution. Regarding the environmentfriendly consumer behavior, economy is the most influential factor, followed by eco-friendliness, awareness of consumption and environmental pollution, experience of environmental activities, environmental knowledge and monthly average allowance. Eco-friendliness had the most cause and effect influence on environment-friendly disposal behavior, followed by awareness of consumption and environmental pollution, economy and experience of environmental activities.