Abstract:Corpus Linguistics is developing at rapid pace, and has been widely used in corpus-based linguistic research, with an important role played. In linguistic research of legal context, the importance and role of the corpus is remarkable, so that the results of linguistic analysis is more reliable and efficient. There are diverse corpora for its diverse purpose and function, while the language forms of the legal practice also show diverse. In view of this, Corpus-based study on the standardization of the legal language should not be a loss, but should go hand in hand, from monism toward pluralism, in order to urgently address the issue of legal language standardization in a multi-dimensional manner.