It provides time for quality education. Mathematical diagnostics does not need to remember those symptoms, which liberates students from exam-oriented education and provides time guarantee for learning quality education of "seeking knowledge, being a man, creating cooperative health and aesthetics"

② The matrix model of teaching materials provides a model for the compilation of teaching materials. According to the principle of database, a pile of unstructured data and words can't play any role in decision-making.

③ A lot of background knowledge is needed to fill in or surpass the original meaning of differential diagnosis. There are only a few symptoms in a case, so the diagnosis conclusion is different. With mathematical diagnosis, the conclusion is consistent, and the correct differential diagnosis can't do this.