Method for providing message hidden services in chatting windows

A method for providing a message hidden service in a chatting window comprising:

• (A) confirming whether a received message is a message set as a hidden message from a transmitter when the message is received from a chatting server;
• (B) confirming whether the received message is set in a hidden setting mode from the receiver when the confirmed result is confirmed as the hidden message;
• (C) displaying the received hidden message on an independent position separately from a region of the display unit of the device by instructing the received message to be processed by a hidden message processing unit when the received message is the hidden message set by the transmitter and set in the hidden mode state set by the receiver;
• (D) hiding the hidden message displayed on the display unit after a predetermined constant time;
• and
• (E) transmitting a processing result of the received message to the transmitter terminal.