In this paper,we present a cloud service model of multilingual home-school communications(MHSC)with the Drupal framework to provide a friendly learning environment for the students from transnational marriages.The transnational marriage is a phenomenon with ever-increasing in Taiwan and around the world.For a student who has a transnational foreign mother,home-school communication is often an obstacle because the foreign mother has language difficulty understanding the delivered messages in the communication book from teachers.In order to improve parent-teacher communications for the transnational families,we designed and constructed the cloud service platform with online multilingual communications and translation service functions,such that teachers can prepare different sheets of multilingual messages for home-school communication books and foreign mothers can read the messages from the teachers in their native languages through the web interface. In this paper, we present a cloud service model of multilingual home-school communications (MHSC) with the Drupal framework to provide a friendly learning environment for the students from transnational marriages. The transnational marriage is a phenomenon with ever-increasing in Taiwan and around the world.For a student who has a transnational foreign mother, home-school communication is often an obstacle because the foreign mother has language difficulty understanding the delivered messages in the communication book from teachers.In order to improve parent-teacher communications for the transnational families, we designed and constructed the cloud service platform with online multilingual communications and translation service functions, such that teachers can prepare different sheets of multilingual messages for home-school communication books and foreign mothers can read the messages from the teachers in their native languages ​​through the web interface.