The paper briefly introduces the origin about the sign language to support teaching of Lutheran school for the deaf in Hong Kong. To analyze the sign language to support teaching, characteristics can be summarized as following: conforming to the curriculum reform, meeting the needs of instruction; relying on information technology, focusing on the network promotion; strengthening the training of teachers, paying attention to the cooperation between school and family ; emphasizing the communica- tion, creating good atmosphere; seeking multi-sup...