Abstract: With the rapid development of social economy and the continuous deterioration of ecological environment, the infiltration of ecological morality has become a problem that must be solved at present. In foreign language teaching,teachers should enhance their consciousness of transmitting ecological morality to students in teaching, carry out the concept of infiltrating ecological morality from letter reading, infiltrate ecological morality constantly in foreign language reading teaching, and combining the task of infiltrating ecological morality with foreign writing, students can strengthen the cultivation of ecological morality in practice.