This study is to examine the Scale standardization of sexual decision making that can be used to verify the effects of sex-related education programs through various measuring tools related to sex. Through the previous studies and research, the preliminary question extraction and the constituent factors of sexual decision making were verified and the validity was verified. In this test, the model fit was confirmed through exploratory factor analysis and confirmatory factor analysis. Based on this, the sexual decision scale is designed and the test tool is verified. A total of 38 items were derived from 4 factors. The names of factors are sexual valuesྱ items), sexual behaviorƘ items), sexual , and sexual decision makingƗ items). In the case of sexual value, they were classified into subjectiveƕ items), openƖ items), and activeƖ items). It can be used as a measurement tool for the objective indicator data related to the performance of the subject in the sex-related program and can be used as the basic data for the development of the related scale.