Relation words are the connected components of compound sentences, and the function of them is mainly associating clauses and marking the sense relations between clauses, but in the process of studying the automatic identification of the relation words of Modern Chinese compound sentences based on rules, we find that most of the relation markers identified in multiple compound sentences are fake relation words. Therefore, it is needed to determine whether a relation word is true, and the basis for determination is confirming the collocations be...