Blind evaluation is submitted anonymously, which means that the evaluation teacher doesn't know who the author of the paper is, so the score given will be closer to the truth and there is not much room for operation.

This method is generally used for the evaluation of universities, especially graduate schools. Blind review system is a common practice and reliable method to effectively control the quality of papers besides computer peer review. Generally speaking, written papers are submitted to the expert group for review without signature, and most of them are randomly selected for blind evaluation.