The invention provides an electromagnetic device capable of automatically and uniformly shaking laboratory test tubes and relates to the field of automation of mechanical equipment. The device comprises a test platform, a front current controller, a rear current controller, rear electromagnets, test tubes, test tube swinging brackets, mounting T-shaped holes and front electromagnets, wherein each test tube swinging bracket comprises an upper retainer ring, a swinging rotation shaft, a disc fastener, a rear small iron block, a front small iron block, an arc-shaped baffle plate, a photoelectric tube and a bottom support; the device is characterized in that the front current controller is mounted on the test platform and is connected with the front electromagnets; the rear current controller is mounted on the test platform and is connected with the rear electromagnets; the test tube swinging brackets are mounted on the test platform through the mounting T-shaped holes; the test tubes are stored in the test tube swinging brackets. According to the electromagnetic device capable of automatically and uniformly shaking the laboratory test tubes, the mechanical structure is simple; the labor intensity is greatly reduced; the time and the labor are reduced; the efficiency is high; the problems of high time consumption and high labor consumption caused by uniformly shaking large batches of laboratory test tubes are solved.