(1),influencetherest.Chatmessages,delayacademic;Badinformation,pollutionsoul;

　　(2),comparethewind.Becausethephonemodelsinrenovatesceaselessly,appearance,thefunction,thepricecanbemoreobject,psychologicalnaturewillaffectcompetitionwithlearningandstudents'stateofmind.Inthiscase,formobilephonewillencourageteenagersdon'tcorrectvaluesandconsumptionpsychology.

　　(3),influencetheschoolsecurity.Asmoreandmorestudentstobringmobilephoneinthedoor,theShiQieAnsometimeshappens,atthesametimeoutsidetheschool"gm"memberalsoturnedtolookacellphone.

　　(4),mobilephonefortheexamineeofcheatingintheexamprovidedacondition,havefoundthatsomecandidateschoiceofalltheanswers,butJanetheanswerisallthumbs.

　　(5),mobilephonesareradiation.Becauseoftheteenagers