A content transmission method, the method comprising: determining, by a device, content attribute information regarding a content or uploading of the content; mapping, by the device, at least one piece of user cloud account information corresponding to the determined content attribute information to the content to form mapped user cloud account information; editing, by the device, the mapped user cloud account information to form edited mapped user cloud account information; determining, by the device, at least one external device (130_n, 150_m) based on the edited mapped user cloud account information; and transmitting, by the device, the content from the device to the determined external device (130_n, 150_m); wherein the editing of the mapped user cloud account information comprises displaying a list including a plurality of contents, the plurality of contents including the content, and a set of check boxes provided for each content of the plurality of contents; wherein the set of check boxes includes a plurality of check boxes each corresponding to different account attribute information corresponding to one or more pieces of user cloud account information; wherein, for each content of the plurality of contents, each check box of the corresponding set of check boxes indicates if said content is mapped, by user cloud account information mapped to the plurality of contents, to the one or more pieces of user cloud account information corresponding to the account attribute information corresponding to said check box, wherein the user cloud account information mapped to the plurality of contents includes the mapped user cloud account information; and wherein the editing further comprises: detecting user input information corresponding to a check on a check box provided for the content, wherein the content is not currently mapped to the one or more pieces of user cloud account information corresponding to the account attribute information corresponding to the checked check box; and mapping the one or more pieces of user cloud account information corresponding to the account attribute information corresponding to the checked check box to the content to form the edited mapped user cloud account information. determining, by a device, content attribute information regarding a content or uploading of the content; mapping, by the device, at least one piece of user cloud account information corresponding to the determined content attribute information to the content to form mapped user cloud account information; editing, by the device, the mapped user cloud account information to form edited mapped user cloud account information; determining, by the device, at least one external device (130_n, 150_m) based on the edited mapped user cloud account information; and transmitting, by the device, the content from the device to the determined external device (130_n, 150_m); wherein the editing of the mapped user cloud account information comprises displaying a list including a plurality of contents, the plurality of contents including the content, and a set of check boxes provided for each content of the plurality of contents; wherein the set of check boxes includes a plurality of check boxes each corresponding to different account attribute information corresponding to one or more pieces of user cloud account information; wherein, for each content of the plurality of contents, each check box of the corresponding set of check boxes indicates if said content is mapped, by user cloud account information mapped to the plurality of contents, to the one or more pieces of user cloud account information corresponding to the account attribute information corresponding to said check box, wherein the user cloud account information mapped to the plurality of contents includes the mapped user cloud account information; and wherein the editing further comprises: detecting user input information corresponding to a check on a check box provided for the content, wherein the content is not currently mapped to the one or more pieces of user cloud account information corresponding to the account attribute information corresponding to the checked check box; and mapping the one or more pieces of user cloud account information corresponding to the account attribute information corresponding to the checked check box to the content to form the edited mapped user cloud account information. detecting user input information corresponding to a check on a check box provided for the content, wherein the content is not currently mapped to the one or more pieces of user cloud account information corresponding to the account attribute information corresponding to the checked check box; and mapping the one or more pieces of user cloud account information corresponding to the account attribute information corresponding to the checked check box to the content to form the edited mapped user cloud account information.