Abstract:The development of “English Chinese - Thai Translation Audible Corpus”, in the field of Thai public opinion analysis, it solves the problem of the lack of training corpus in dictionary segmentation algorithm. In this paper, the computerized information processing technology is used to organize, standardize, process and store large amounts of collected Thai corpus, and then more than 8000 of the Thai vocabularies are finished. And then it uses the dictionary translation and manual calibration to align corpus. Finally, Thai corpus are classified and marked normally, combined with syntax characteristics and syntactic semantic features of Thai language, and then the database of English Chinese - Thai corpus is constructed, which contains about 50 thousand of the query terms.