Cheng Yi means "treat people sincerely and persevere". Specifically, "honesty" is the basic requirement of being a man. Educating students to be honest and trustworthy is conducive to cultivating their academic ethics of honesty and trustworthiness. "Easy" is the basic requirement of being a man and doing things. Educating students to overcome difficulties and persevere plays an important role in cultivating students' determination of diligence and scientific innovation.