The aim of this research is to investigate participation types of leisure activities of girls` highschool students and levels of their stress from daily life and enable them to spend their adolescence soundly. The objects of this research are 408 students in total, who are randomly selected ones, 100 students in each school and one class in eaach grade, in the 5 chosen schools among all the girl`s high schools which are located in J city. Frequency, period, types, grade, etc of participation in leisure activities are used as independent variables and levels of their stress from daily life are used as dependent variables. Results derived from the research by the analysis of monistic dependent variable are as follows. 1) It proved that levels of stress caused by participation in leisure activities were the lowest in the freshman class of the high school of all the grades. 2) It proved that levels of stress caused by frequency and period of participation in leisure activities showed no difference between them. 3) It proved that levels of stress caused by types of participation in leisure activities were lower in the groups participation sports types than in the viewing and game activities.