A Text information displaying method for displaying a message received or generated by a first electronic device on a display of a second electronic device. The text information displaying method includes the steps of: receiving a request of displaying the message; generating a word string according to the request, wherein the word string includes at least one word pattern and at least one graph code correspondingly representing the at least one word pattern; transmitting the word pattern and the graph code from the first electronic device to the second electronic device; and receiving the at least one word pattern and the at least one graph code, and displaying the at least one word pattern corresponding to the message received or generated by the first electronic device on the display according to the graph code.