The invention relates to a device for cutting a fluorescent rod sleeve head. The device comprises a drive motor, a workbench and turntables, wherein the workbench is divided into upper and lower layers; a rectangular through hole is formed in the middle part of the upper layer of the workbench; a plurality of parallel turntables are installed in the rectangular through hole and are connected with one another through a rotary shaft; a blade is installed on the side wall of each turntable; the drive motor is installed at the lower layer of the workbench and is connected with one end of the rotary shaft at the middle part of the turntables through a belt; a platform is installed on the right side of the workbench; a fixed plate is installed at the upper end of the platform; a roller fixing plate is vertically installed on the upper end surface of the fixed plate; upper and lower rows of rollers are installed on the front end surface of the roller fixing plate; and one roller is connected with an output shaft of a motor installed at the back end of the roller fixing plate. According to the device, the cutting efficiency is high, the length of the cut fluorescent rod sleeve head is uniform, a cutting plane is very smooth, packaging is convenient, and artificial investment is also lowered.