The invention discloses a device for limiting communication authority of appointed wireless communication telephone, comprising telephone authority setting device for setting communication authority of appointed wireless communication telephone, data storing device for storing authority information appointed by the telephone authority setting device, and authority comparing device for comparing transmitted or received telephone number with the authority information stored in the data storing device; it has a simple structure, convenient to setting and especially suitable for middle and primary school students and preschool-age children, so that the parents can not only keep in touch with their own children by phone any time and any place but also avoid spiritual pollution caused by bad communication that the children made. |