OHua DONG,Tongji University Purpose of a literature review(7) To have a body of information to compare with your research findings.When reporting and discussing your results you need to compare them with what other researchers have found out. Purpose of a literature review (7) To have a body of information to compare with your research findings. When reporting and discussing your results you need to compare them with what other researchers have found out. ©Hua DONG, Tongji University