An information transmission method, the method comprising: - receiving, by an application on a second terminal, entry information from a remote server, wherein the entry information comprises address information and identification information of the application; - obtaining, by a first mobile terminal, the entry information from the second terminal; - sending, by the first mobile terminal, the entry information obtained from the second terminal and user account information of the first mobile terminal to the remote server; - receiving, by the first mobile terminal, a first binding notification message from the remote server sent in response to the sending; - receiving, by the second terminal, a second binding notification message from the remote server sent in response to the sending, wherein the second binding notification message comprises the user account information associated with the first mobile terminal; - detecting, by the first mobile terminal, a predefined user operation on the first terminal to retrieve currently-displayed information from the application running on the second terminal; - sending, by the first mobile terminal, an information transmission instruction to the application at the second terminal through the remote server; - obtaining, by the second terminal in response to receiving the information transmission instruction, a document identifier of a document currently displayed on the second terminal; - sending, by the second terminal, the document identifier to the remote server; - sending, by the remote server in response to receiving the document identifier sent in step S515, the document identifier and data associated with the document to the first mobile terminal; - displaying, by the first mobile terminal, the received document identifier and the data associated with the document on a display of the first mobile terminal. - receiving, by an application on a second terminal, entry information from a remote server, wherein the entry information comprises address information and identification information of the application; - obtaining, by a first mobile terminal, the entry information from the second terminal; - sending, by the first mobile terminal, the entry information obtained from the second terminal and user account information of the first mobile terminal to the remote server; - receiving, by the first mobile terminal, a first binding notification message from the remote server sent in response to the sending; - receiving, by the second terminal, a second binding notification message from the remote server sent in response to the sending, wherein the second binding notification message comprises the user account information associated with the first mobile terminal; - detecting, by the first mobile terminal, a predefined user operation on the first terminal to retrieve currently-displayed information from the application running on the second terminal; - sending, by the first mobile terminal, an information transmission instruction to the application at the second terminal through the remote server; - obtaining, by the second terminal in response to receiving the information transmission instruction, a document identifier of a document currently displayed on the second terminal; - sending, by the second terminal, the document identifier to the remote server; - sending, by the remote server in response to receiving the document identifier sent in step S515, the document identifier and data associated with the document to the first mobile terminal; - displaying, by the first mobile terminal, the received document identifier and the data associated with the document on a display of the first mobile terminal.