It's important to recognize ”family” as s whole basic consumption unit in family purchase decision-making. This article therefore is to examine the impacts of both family communication patterns and family structure on purchase decision-making. Cronbach's reliability, factor analysis, stepwise regression analysis and ANOVA/DUNCAN were utilized to analyze the data collected from the questionnaires sent to a sample of 443 college students. The result reveals that adolescences from cognition-oriented family communication style and single parent families have major influence on family purchase decision-making.