This paper proposes a collaboration application that allows multi-user to add extra content to live video streaming, based on augmented reality annotation in real-time. Compared to the previous work, we think the integration of remote collaboration and a co-located collaborative way is one of the novelty points of the proposed application. The AR-based collaborative system can render annotations directly on an environment which helps local users easily recognize the original intention that the remote helper wants to deliver. We introduce how the application work.