Based on the theory of planned behavior, this study constructed the behavior intention model of participation of elementary badminton team members in Kaohsiung City to explore the influences among participants' attitude, subjective norm and perceived behavioral control. related situation under the environmental awareness. We analyzed the Structural Equation Modeling (SEM). The results as two factors, attitude and subjective norm, can both influence the behavioral intention of the badminton members' participation. According to the results, the researcher suggested that concerned implementation authorities should hold the critical period in elementary and encourage students to participate in badminton. Moreover, offer the participants more help in academics, improve the whole society's stereotype of sport teams, urge the government to popularize healthy life concept and carry out national sports policy.