The utility model discloses portable quick-analysis equipment for asphalt mixture gradation, which aims at solving the problem that asphalt mixture gradation information is inconvenient to acquire oranalyze in the prior art. The quick-analysis equipment comprises a movable support frame provided with a box body, an image acquisition unit for acquiring information of a pavement or a mixture, an information transmission unit, an image segmentation and digital processing unit and an output unit, wherein the image acquisition unit comprises an acquisition head; the image acquisition unit is located in the box body; a through hole is formed in a position, over against the acquisition head, on the bottom surface of the box body; the acquisition head extends out of the through hole; and the information transmission unit, the image segmentation and digital processing unit and the output unit are arranged above the box body.The equipment is reasonable in design and convenient to use and is worthy of popularization and application.