Withthepopularityofmobilephones,moreandmorecollegestudentareusingsmartphoneintheclass.However,inmyopinion,smartphoneshouldbebannedintheclass.Althoughlotsofpeopleinsistthattheuseofmobilephonesintheclassroomhasgreatbenefits,thefactisthatharmsitcausesarefarmorethanbenefitsitbringstous.Peoplewhosupporttheuseofphonesinclassadvancedthatthesmartphonecantakephotos,soitcanhelpthemnotethecontentsontheblackboardquickly.However,smartphonedoeshelpus‘takenotes’,butthenotesittakesareinthephoto,ratherthaninournotebook.Manyofthemdon’ttranscribethe‘note’later.Itwillcausedamagestousratherthanbringusconvenience.So,it’sbettertotakenotesinclassandwecanfocusonteachersbydoingso.Supportersalsomaintainthatthesmartphoneallowsussearchinformationontheinternettimelywhiletheycomeacrossproblemsinclass.However,it’stotallyunnecessarytodoso.Ifyoucannotunderstandwhatteachersisteachingandyoulookforsolvationonthenet,itwilltakeyoumuchtime,soyouwillmissmorecontentsthatteachersareteaching.So,thesmartphoneisnotagoodchoice.Thesmartphoneisnotnecessaryinclass;ittakesusmoreharmsthanbenefitsifbeusedinclass.Thesmartphonecannotreplacehand-writingnotes.Furthermore,usingsmartphonetosearchinformationisnotaneffectivesolutiontotheproblemintheclass.Therefore,inmypointofview,thesmartphoneshouldnotbeusedinclass.