PURPOSE: This study aimed to identify the alcohol drinking pattern of parents and to analyze drinking related factors in problem drinking among adolescent's parents. METHOD: This study was conducted through a structured questioning from November 5th to 22th in 2002. Those are 2,522 parents of the students of the 1st and 2nd grade who were selected randomly among 26 middle and high schools located in Socho-gu, Seoul. Data was analyzed using SAS program that included descriptive statistics, Chi-square test, and multiple logistic regression analysis. RESULT: 1. For frequency of drinking, 33.1% of the subjects responded to drink two-four times a month, 26.0% drink more than two times a week. 2. For the amount of drinking, 29.6% drink one or two glasses while 9.4% drink over ten glasses at a time. 3. The mean AUDIT score was 8.27+/-7.02(score of range: 0-40). 4. Based on AUDIT score, drinkers with less than eight point from AUDIT(normal group) were 55.1%, from more than eight point to less than twelve point from AUDIT(problematic drinker) were 16.3%, and more than twelve point from AUDIT(alcohol abuse and dependency) were 28.6%. 5. Based on more than twelve point from AUDIT, female(mother), high school and, have religion, housekeeper were the significantly higher score than counter parts. CONCLUSION: Alcohol drinking pattern and level of drinking of their parents links to their children's drinking and results in family, social, and national loss. Active prevention is needed. Specially, pertinent education about drinking and public education for mothers who are housekeepers should be carried out with concentrated intervention programs for the problematic drinker so alcohol abuse and dependency can be reduced.