The purpose of this study was to examine the relationship among everyday activities, “the zest for living" and well-being in elementary school pupils. We developed the everyday activities scale and the zest for living scale. A total of two hundred and thirty-five children completed three kinds of questionnaires which measure their everyday activities, the zest for living, and the sense of emotional well-being. The major findings were as follows: (1) It was found that the everyday activities consists of the following four factors. Factor 1 is interaction, Factor 2 is after school activities, Factor 3 is club activities, and Factor 4 is playing with friends. (2) It was found that the zest of living consists of five factors. (3) We found that the positive relationship between students' everyday activities and the zest for living. (4) It was also found that their everyday activities and the zest for living was positively related with the sense of emotional well-being.