The invention relates to a system for transmitting a message, which comprises an electronic device, a message sending device and a remote user device. The electronic device can obtain an electronic program table and has a message service unit which allows the electronic device to transmit a sending command outside. The message sending device can be connected with the electronic device through a network and sends a message to the remote user device according to the sending command when receives the sending command transmitted by the electronic device. By using the message transmitting system and the electronic device of the invention, the complication when users inquire the TV program table can be avoided and the program information desired can be obtained automatically and conveniently byapplying preset.