A method for providing state information of a user of a digital apparatus, the method comprising: receiving a request for displaying a contact list; characterized by: in response to the request, requesting state information of the user of the digital apparatus from a contact list server; receiving state information of the user of the digital apparatus from the contact list server; displaying, on a touch screen of the digital apparatus, the contact list having a plurality of user items, each of the plurality of user items corresponding to a respective one of a plurality of users in the contact list, wherein at least one of the plurality of user items comprises: identification information of a corresponding user corresponding to one of the plurality of user items, state information of the corresponding user that is received from the contact list server, wherein the state information is indicated by a state information indicator, the state information indicator being one of a normal state indicator, a busy state indicator and a no disturbance state indicator, and at least one category indicator representing at least one recommended communication service category determined based on the state information of the corresponding user; receiving input for selecting a target user, from the plurality of users in the contact list, and a communication service to be used; and when the selected communication service is not of the at least one recommended communication service category for the target user, providing a recommended communication service list including a non-recommendation guide message and one or more recommended communication services corresponding to the at least one recommended communication service category of the target user. receiving a request for displaying a contact list; characterized by: in response to the request, requesting state information of the user of the digital apparatus from a contact list server; receiving state information of the user of the digital apparatus from the contact list server; displaying, on a touch screen of the digital apparatus, the contact list having a plurality of user items, each of the plurality of user items corresponding to a respective one of a plurality of users in the contact list, wherein at least one of the plurality of user items comprises: identification information of a corresponding user corresponding to one of the plurality of user items, state information of the corresponding user that is received from the contact list server, wherein the state information is indicated by a state information indicator, the state information indicator being one of a normal state indicator, a busy state indicator and a no disturbance state indicator, and at least one category indicator representing at least one recommended communication service category determined based on the state information of the corresponding user; receiving input for selecting a target user, from the plurality of users in the contact list, and a communication service to be used; and when the selected communication service is not of the at least one recommended communication service category for the target user, providing a recommended communication service list including a non-recommendation guide message and one or more recommended communication services corresponding to the at least one recommended communication service category of the target user. in response to the request, requesting state information of the user of the digital apparatus from a contact list server; receiving state information of the user of the digital apparatus from the contact list server; displaying, on a touch screen of the digital apparatus, the contact list having a plurality of user items, each of the plurality of user items corresponding to a respective one of a plurality of users in the contact list, wherein at least one of the plurality of user items comprises: identification information of a corresponding user corresponding to one of the plurality of user items, state information of the corresponding user that is received from the contact list server, wherein the state information is indicated by a state information indicator, the state information indicator being one of a normal state indicator, a busy state indicator and a no disturbance state indicator, and at least one category indicator representing at least one recommended communication service category determined based on the state information of the corresponding user; identification information of a corresponding user corresponding to one of the plurality of user items, state information of the corresponding user that is received from the contact list server, wherein the state information is indicated by a state information indicator, the state information indicator being one of a normal state indicator, a busy state indicator and a no disturbance state indicator, and at least one category indicator representing at least one recommended communication service category determined based on the state information of the corresponding user; receiving input for selecting a target user, from the plurality of users in the contact list, and a communication service to be used; and when the selected communication service is not of the at least one recommended communication service category for the target user, providing a recommended communication service list including a non-recommendation guide message and one or more recommended communication services corresponding to the at least one recommended communication service category of the target user.