Miniature projector arranged in mobile phone

The utility model relates to the field of electronics, in particular to a miniature projector arranged in a mobile phone. The miniature projector comprises a projector system, which comprises a projection system and a mobile phone signal processing system, and the mobile phone signal processing system can be connected with a mobile phone communication system in the mobile phone, and is connected with the projection system. Since the technical scheme is adopted, the miniature projector can be arranged in the mobile phone to display the image on the screen of the mobile phone, and thereby the ordinary mobile phone has the advantages of small size and the like, is convenient to carry, and also has the function of the projector.