This study aims to develop online dictionary human-computer interface design assessment framework. Dictionary is an important tool for people to search information, explore knowledge and answer puzzles. With the rapid development of internet technology, the dictionary has become digitized. The human-computer interface is the medium in which the user interacts with the information system, and the good human-computer interface design can help to improve the students' learning. This study explores the ideal human-computer interface for primary and secondary school students' online dictionaries and establish an assessment framework to serve as a reference for students to use the online dictionary system. This study adopts methods such as content analysis, focus interviews, questionnaire surveys, and usability evaluation. The research suggests that the online dictionary interface design considerations different interfaces based on the user's background needs, and provides the concept of self-learning in language education to improve the quality of knowledge infrastructure.
