The invention discloses a portable DLP multimedia intelligent cloud projecting system which comprises a video input interface, a video processor, a signal format conversion unit, a storage medium interface, a WIFI module, an Android processor, a 3D format conversion processor, a DMD display driver, an optical projector, a central processing unit, an input module and an LED light source unit. The video processor is used for converting video data input by the video input interface into a first TTL signal, the signal format conversion unit is used for converting the first TTL signal output by the video processor into a first HDMI signal, the Android processor is used for converting video data read by the storage medium interface or the video data received by the WIFI module into a second HDMI signal, the 3D format conversion processor is used for performing 3D conversion on the first HDMI signal or the second HDMI signal to generate a second TTL signal, and the DMD display driver is used for generating an image drive signal according to the second TTL signal. The portable DLP multimedia intelligent cloud projecting system is multifunctional, small in size and convenient to carry.