The purpose of this study were to compare the wearing and purchase practice of underwear items, and the attitudes toward underwear in middle school girls with those of their mothers in Chongju city. The questionnaires were to measure the demographic information, wearing and purchase practice of underwear items, and attitudes toward underwear. As statistical analysis, frequencies, $X^2-test$, and t-test were used. The results were as follows: 1. There were partially significant difference beween middle school girls and thier mothers of wearing and purchase practice of underwear. 2. The most important factor was size when they purchase their underwear. As the next important factor, middle school girls considered design, while their mother considered functional properties. 3. Middle school girls were more interested in the design aspect or brand name of underwear and less concerned about functional or practical aspects than their mothers in the attitudes toward underwear.