A method for exchanging a name card, comprising: binding, by a contact client, the contact client with a first Instant Messaging client through an associated account, the contact client comprising a contact; establishing, by the contact client, at least one item of a name card of a friend in the contact; obtaining, by the contact client, other items of the name card related to the at least one item from an IM server of the first IM client binded with the contact client according to the at least one item; and generating, by the contact client, the name card of the friend in a predetermined format according to both the at least one item and the obtained other items; receiving, by the contact client, a selecting signal for selecting at least one name card in the contact; sending, by the contact client, the selected at least one name card to the first IM client binded with the contact client so that the first IM client shares the selected at least one name card with at least one second IM client, the first IM client comprising a first user account, the first user account having a friendship link, and the at least one second IM client being in the friendship link; wherein obtaining other items related to the at least one item from the IM server of the first IM client binded with the contact client according to the at least one item comprises: sending the at least one item and the associated account to the IM server through a predetermined interface; receiving other items feed back by the IM server, wherein the other items are the items related to the at least one item, which are searched in items corresponding to the associated account and in friend items of the friendship links corresponding to the first user account after the IM server detects that the associated account has an authority to access data. binding, by a contact client, the contact client with a first Instant Messaging client through an associated account, the contact client comprising a contact; establishing, by the contact client, at least one item of a name card of a friend in the contact; obtaining, by the contact client, other items of the name card related to the at least one item from an IM server of the first IM client binded with the contact client according to the at least one item; and generating, by the contact client, the name card of the friend in a predetermined format according to both the at least one item and the obtained other items; receiving, by the contact client, a selecting signal for selecting at least one name card in the contact; sending, by the contact client, the selected at least one name card to the first IM client binded with the contact client so that the first IM client shares the selected at least one name card with at least one second IM client, the first IM client comprising a first user account, the first user account having a friendship link, and the at least one second IM client being in the friendship link; wherein obtaining other items related to the at least one item from the IM server of the first IM client binded with the contact client according to the at least one item comprises: sending the at least one item and the associated account to the IM server through a predetermined interface; receiving other items feed back by the IM server, wherein the other items are the items related to the at least one item, which are searched in items corresponding to the associated account and in friend items of the friendship links corresponding to the first user account after the IM server detects that the associated account has an authority to access data. sending the at least one item and the associated account to the IM server through a predetermined interface; receiving other items feed back by the IM server, wherein the other items are the items related to the at least one item, which are searched in items corresponding to the associated account and in friend items of the friendship links corresponding to the first user account after the IM server detects that the associated account has an authority to access data.