Abstract: Zhouyi is a book instructing people to live a ascetic life and seek goodness,full of practical and rational wisdom.Item phasizes therole of one's autom aticvirtuecultivation in hisachievement.It establ is hesthere a sonable contact between "ChongDe" and "GuangYe",expoundsthem aterialistideas,revealingone's subjectivity.Itarguesthatoneshould hold in aweand veneration towards virtuecul tivation,and keepingit.Itcomments on the nine hexagram for three times by morality,and providesan instructive model for the virtuecul tivation,interpreting the basis,function and value of the virtuecul tivation.