Purpose: This study aimed to provide basic data for developing adolescent alcohol prevention program through the investigation of teacher`s recognition and attitude about alcohol use of adolescents. Method: 1,124 teachers working at middle and high schools located in Socho-gu, Seoul, were responded during rhe period from November 5 to 24 in 2002. Result: 1. For frequency of drinking, 39.9% of subjects responded to drink once a month, 15.2% drink more than two times a week. 2. For the amount of drinking, 37.0% drink less than 2 glasses while 12.8% drink over 10 glasses at a time. 3. Based on AUDIT score, drinker with more than 8 point from AUUDIT(Alcohol Use Disorder Identification Test) are 33.5%. Male are 30.7% while female are 2.72%. So social drinker group represents 66.5%. 4. Most of the subjects said education program for adolescent alcohol prevention is needed, but only 5.7% of them has counselled. 5. The score of teachers` recognition and attitude about alcohol use of adolescents was significantly higher in non current drinker group, female, middle school teacher than that of current drinker group, male, highschool teacher. It can be suggested that teachers` recognition and attitudes about adolescent drinking was important to prevent alcohol use of adolescent and teacher`s education program are needed for effective education. And we will have to further study in nationwide.