Peoplewerenotrequiredtoshowandhavetheiridentitiesregisteredwhentheyboughtasimcardbefore.Exceptsomesimcardsdesignatedforparticularpeople,youcouldgetalmostwhatyouwish—nomatterwhatkindofsimcardandhowmanycardsyouwant.Allseemedsosimpleandconvenient.Obviously,theeasyaccesstosimcardshasitsdrawbacks.Themostannoyingoneistherampantspreadofspammessages,telephoneharassmentandfraud.Thereason:amobilephonenumberthatgivesnousefulinformationmakesitdifficulttochasetheanonymouscallerorsender.Besides,manyuserstendtodiscardcardsatrandomandthatcauseswasteofresources.WhenpeopleareaskedfortheirIDinthepurchaseofsimcards,however,theproblemsmentionedabovewillbesolvedeasily.Sincesimcardscanbeusedtoidentifyusers,peoplewillfeeltrappedwhentheyintendtosendspammessagesorcommittelephonefrauds.Andthefactthattheirsimcardscontainconfidentialinformationconcerningtheirpersonalinterestsmakespeoplethinktwicebeforethrowingthemaway.
Fromthedate,Chinaformallyimplementreal-nameregistrationsystemconsumerstobuyamobilephone,mustholdacertificatetodealwithlife,theoldcellphoneuserstosubmitpersonalinformationinthreeyearsrecently,youclasstoreal-namesystemisdiscussed,theadvantagesanddisadvantagesofthediscussionresultsareasfollows:theboycottandreducethroughmobilephones:thecriminalactivityconstraintsandtube..