The invention discloses a wrong question automatic sorting device. The wrong question automatic sorting device comprises a printing end and a scanning end, wherein the scanning end is detachably mounted at the bottom of the printing end, the printing end comprises a main body, the main body is provided with a charging data interface, an SD card slot and a scanning end speech output port, a touch screen is arranged on the top of the main body, an ink box placing inlet and outlet baffle is arranged on one side of the main body, a printing end shell is arranged at one end of the main body, a printing trouble checking baffle is arranged on the printing end shell, a paper roll inlet baffle is arranged on one side of the printing end shell, the paper roll inlet baffle is located at the exit of a paper roll inlet cavity, a printing paper roll is placed inside the paper roll inlet cavity, and the end of the paper roll passes through a paper roll rolling shaft and is output from an output port of the print end shell. According to the wrong question automatic sorting device, scanning printing equipment is applied to daily learning, sorting of a wrong question collection can be conducted easily, learning efficiency is improved greatly, problems encountered in the study can be summarized quickly, and the effect of attaining the result with half effort is achieved.