Abstract: A dedicated hand-held electronic device having a main body, a touch screen, a network communication device, and a control unit. The touch screen is combined the main body. The network communication device is set in the main body for connecting a network. The control unit is set in the main body, the control unit is electrically connected with the touch screen and the network. The control unit includes an executing module and a prohibition change module. The executing module is used to control the touch screen displaying a SKYPE™ communication interface only, after turn on the hand-held electronic device, execute the communication function of SKYPE™ only therefor, wherein the SKYPE™ communication interface includes a plurality SKYPE™ operating picture. The prohibition change module is used to banning a user to install a not as-built program in the hand-held electronic device.