Currently, the application of corpora in language research is increasingly popular. This article builds an intermediate-level corpus from the writings of students studying Chinese at the National Economics University, who are learners at the intermediate level. Then use Antconc software (version 4.2.0) for analysis, helping to analyze errors in the article more effectively.Currently, the application of corpora in language research is increasingly popular. This article builds an intermediate-level corpus from the writings of students studying Chinese at the National Economics University, who are learners at the intermediate level. Then use Antconc software (version 4.2.0) for analysis, helping to analyze errors in the article more effectively.