The invention discloses a scenario construction system capable of integrating users into plots, and the scenario construction system is suitable for playing scenario information which contains at least one scene and at least one role for a user to watch. The scenario construction system comprises a storage device, a display, stereopsis capturing equipment, a wearing type device and a processor, wherein the storage device is used for storing the scenario information; the stereopsis capturing equipment is used for capturing the appearance of the user and generating image information; the wearing type device is provided for the user to wear and comprises a first sensing unit, a second sensing unit and a feedback unit; the sensing units are respectively used for sensing the body type of the user so as to generate body type information and an action parameter related to the action state of the user; the processor is used for receiving the image information, the body type information and action information calculated through the action parameter, constructing a photorealistic image which presents the appearance and action of the user, combining the photorealistic image with the role appearance of the scenario information and then transmitting the combined result to the display; and the processor is capable of giving feedback in the aspects of touch and smell to the user according to the environment information of the scene so as to increase the interactivity.