关键词:秦始皂;性格特征;优劣II AbstractABSTRACTYi ng ZhengFi rstEm perorof Chi na’ Sgreat em perorsof anci enthi story,heendedthe fi ve centuri es si ncethedi sputeover theSpri ngandAutum ni ndependent regi m e,the establ i shm ent of Chi na' shi storyof a uni fi ed,m ul ti —ethni c,central i zedsystemoftotal i tari an countri es,thedevel opm entof the Chi nese nati onl aya sol i d foundati on.Em peror Yi ng Zheng’ S personal i tydue to hi stori caldevel opm entshaveproducedbothposi ti veandnegati veeffects,SOthi s character i s characteri zedbyi tsstarti ng poi nt,usi ngcasestudi esofpsychol ogi calhi story,psychol ogi calanal ysi s,researchm ethods,com bi ned w i th thetheoryand hi stori cal m ateri al i smm ethod tostudythehi storyof the great em peror Q i nShi H uang Yi ng Zheng.Thi spaperi s di vi ded i nto fourchapters.+Chapterandi m pl i cati ons.Chapter1 of Introducti on tostudytheori gi ns2from thefam i l yenvi ronm ent,soci alenvi ronm ent,a detai l edanal ysi sof tw oaspectsofpersonal i