Purpose: The purpose of this study was to analyze the effect of emergency contraceptive pill on adolescent sexuality and contraceptive behaviors through a meta - analysis of intervention studies on advance provision of emergency contraceptives. This study aimed to provide objective data on the transition of general medicines to be discussed in relation to the reclassification of emergency contraceptive pills. Methods: Using electronic database, 1,820 studies written in Korean or English without limitation of the year were reviewed and for analysis, 5 studies were selected, in which emergency contraceptives were provided to adolescents. Results: The advance provision of emergency contraceptives has increased their use and shortened the time it takes to take contraceptive pills after unprotected sex. There was no change in the frequency of engaging in sexual intercourse and unprotected sex or in existing contraceptive behavior, pregnancy rates decreased, but there was no increase in sexually transmitted infection. Conclusion: The results of this study provide objective grounds for the reclassification of emergency contraceptive pills and propose effective interventional programs on contraceptive education, such as on efficacy and side