Withthecontinuousinnovationanddevelopmentofinternettechnology,humanbeingshaveenteredtheeraofbigdata.Mediatedbytheinternet,thewaysofopinionexpressinghavebeenemergedinendlesslyandtheinterestexpressionmechanismofthepublichasbeendiversified.Asaspecialunit,collegeishighlysensitiveaboutpublicopinions.Howtofullyplaytheirpositiveroleinthemanagementofnetworkpublicopinionandestablishaproperdisposalmechanismarenewtasksforcollegesanduniversities.Usingdocumentaryresearch,thispaperaimstostudyhowtocarryoutonlinepublicopinionmanagementincollegesanduniversitiesbytakingadvantageofbigdataplatformandITmeansunderthebackgroundofbigdata.Disposalmechanismshouldbeconstructedreasonablyandrelevantcountermeasuresaboutinsufficientincurrentonlinepublicopinionmanagementarealsoputforward.