Device for providing related information for monile communication terminal and system for sharing related information

A related information system for mobile communication terminals, comprising:

• a mobile communication terminal that creates a text, stores related information for at least one in the text, hyperlinks the related information to the word, and transmits the text including the hyperlinked word through a network;
• a receiver terminal that receives the text from the mobile communication terminal;
• and
• a related information sharing server that stores related information that is set to be shared from among the related information stored in the mobile communication terminal and, when a request for receiving the related information set to be shared is provided from the mobile communication terminal, transmits the related information to the mobile communication terminal.

A mobile communication terminal which creates a text and transmits the created text through a network, comprising:

• a word storage unit that stores a word registered by a user;
• a related information storage unit that stores related information corresponding to the word registered in the word storage unit;
• a related information linking unit that, when the word stored in the word storage unit is input upon creation of the text, hyperlinks related information corresponding to the input word;
• and
• a text transmitting unit that transmits the text, in which related information is hyperlinked to at least one word by the related information linking unit, through a network.