A real-time sharing method, apparatus and system, which relate to the online application field to solve the problem that a user cannot actively send a request to another terminal by using a terminal according to a personal requirement to implement real-time sharing of resources of an online application of another terminal. The real-time sharing method for sharing of an online application includes: receiving a browsing request message sent by a first terminal, where the browsing request message carries an identifier of a second terminal; acquiring, according to the identifier of the second terminal, virtual machine information of a virtual machine that provides an online application service for the second terminal; and sending, to the first terminal, resource information sent to the second terminal by the virtual machine corresponding to the virtual machine information.