Portable projection display enhancement implementing system

The invention relates to a portable projection display enhancement implementing system, belonging to the technique field of virtual reality. The portable projection display enhancement implementing system comprises a camera, a projector, a reflector, an angle locking structure, a reflector movement control structure and a mobile calculation device. The invention does not need to be fixedly installed or be in hand for a user, can be portably wore on the colpus of the user, automatically recognizes scenes through a recognition algorithm, and projects and displays multimedia information generated by the mobile calculation device in the real scenes to enhance the sensory cognition and experience of the user on the scenes; and the position of the image projected by the projector can be regulated by hand according to the requirement of the user. The invention has small volume and high cost performance, the components thereof can be further integrated into a projection display enhancement module; and the invention can be widely applied on mobile equipment such as cellphones, digital cameras, notebook computers and the like, and achieve the multimedia enhancement of the real scenes and enlarge the cognition ability of the user on the surround environment.