Methods and apparatuses of transmitting a business object are disclosed. A first client has a communication connection established with a second client, and includes a user interface containing a first display region and a second display region. The first display region is used for displaying a first business object, and the second display region is used for conducting instant communications with the second client. The first client sends information of a first business object to the second client according to a sharing request, performs an operation on the first business object in the user interface of the first client based on an operation command for the first business object of the first client, and sends the operation command to the second client, to cause the second client to perform the operation on the first business object in a user interface of the second client according to the operation command.