The utility model discloses a car stabilizer bar weighing device, including frame, weighing module, frock support frame, stabilizer bar frock, human -computer interaction part, controller, a pair of button switch and memory. Weighing module includes the module shell and sets up the weighing sensor in the module shell, the top in the frame is fixed to the module shell. The top at the module shell is fixed to the frock support frame. Stabilizer bar frock detachably sets up on the frock support frame for the car stabilizer bar of weighing is waited to the location. The human -computer interaction part is connected with the controller electricity for information display and receipt user's input information. Weighing sensor's output and a pair of button switch's output are connected with the controller electricity respectively, and the controller is connected with the memory electricity. The utility model discloses the weight of car stabilizer bar can be accurately weighed, and then the car stabilizer bar that the similar specification of shape is different is convenient for distinguish fast.