Introduction-from a field of music education-by Umemoto First, the relative weight of environment and he redity as variables on the formation of sentiments was assessed in order to estimate the possibility and range of sentiment education. In music education, for instance, there are evidences indicating that development of sense for harmony are very much influenced by environment, while sense to rhythm shows high heritability. Second, the purpose of sentiment education was discussed from a Psychological viewpoint. A person who is sensitive to the beauty of music and paintings is usually keen to sentiment education because such a personality has deep insight of the world. Sentiment education and the psychology of 'calligraphy' by Tsushima