Purposes: This study was conducted to offer some scopes that is needed to develop an strategy for preventing of drinking in high school students. For this, we analysed the factors affecting on high school students` alcohol use. Methods: An survey was conducted from 5, Nov. 2002 to 11, Nov. 2002 to the high school students(1,551) of the 1st and 2nd grade at S-gu at Seoul based on the self-reported questionnaires. The data were analyzed by the SPSS for Windows 10.0 with multiple logistic regression to determine the factors affecting on aocohol use. Results: The drinking rate of life-time was 82.1%, and current drinking rate was 70.2%. Mother`s drinking(OR=1.89, P=.019), having drinking friend(s)(OR=3.74, P=.005), drinking alone or with friend(s) at the first experience(OR=1.87, p=.031), current smoker(OR=11.42, p=.02) increased the possibility of being current drinkers. Conclusions: With comprehensive regards to family, friend-school life, and health risk behavior factors, a program of drinking prevention for high school students should be developed.