This research focused on the relationship between family environments, value concepts, and energy attitudes of the junior high school students in Hsin-Chu City. The first tool was the three value concepts-the physiological value, the psychological value, and the life value-of ”The Value Concept Measurement of Junior High School Student”. The other tool was questionnaire about energy attitudes. According to the result, there were 5 conclusions of this research. First, genders had no influence on the students' 3 kinds of value concepts and 4 parts of energy attitudes. Second, the parents' educational backgrounds had influence on the students' value concepts and two parts of energy attitudes-energy & environment and energy nowadays & usage, but not on the other two parts-energy economy and nuclear electricity. Third, the parents' occupations had no influence on the students' energy attitudes. However, the mother's occupation had influence on the students' physiological value and life value, but the father's occupation didn't. Fourth, the types of family didn't have any influence on the students' 3 kinds of value concepts and 4 parts of energy attitudes. Fifth, the three value concepts were obviously related to energy & environment and energy nowadays, but they were not obviously related to energy economy and nuclear electricity.