It is normal for graduation design teachers to swear. Students' academic ability is limited, and it is normal for them to be scolded for not writing well enough. Just listen to the teacher. Graduation design refers to the summative independent work of students in industrial, agricultural and forestry colleges and secondary specialized schools on the eve of graduation. It is the last link of practical teaching. It is very important for the whole university career and stepping into the society in the future, so some bi design teachers are very strict about graduation design.