The present disclosure relates to a method and a system for remote collaboration, the method includes: receiving mouse operation information of a user in the master computer which is captured and transmitted by the master computer; detecting a position of the mouse cursor on the master split screen in accordance with the mouse operation information, then when the cursor arrives at a boundary of the master split screen and continues to move in a direction away from the master split screen, detecting a current split screen connecting to the boundary, and displaying the cursor on the current split screen; and receiving interaction information transmitted by the master computer, and transferring the interaction information to a current slave computer corresponding to the current split screen, so as to cause the current slave computer to execute the interaction information, where the interaction information is the information which is obtained and intercepted by the master computer when the master computer detects interaction initiated by the user with the master computer. The present disclosure can realize the collaboration function in wireless screen transmission based on the display of multiple sources on the same screen, thus rendering the operations convenient.