The invention discloses a force-taking power testing platform of a paver spiral distributor and a using method thereof, wherein the platform comprises left and right guide rail bases, left and right guide rails, left and right racks, a mobile platform left-and-right positioning mechanism, a mobile platform, a mobile platform locking mechanism, a magnet powder brake, a speed reducer, a telescopic universal coupling device, a tool box for mobile platform testing, an orthogonal bevel gear set connected to a traction front shaft and a motor, a motor controller box, a three-phase asynchronous traction motor with a gearbox, a back shaft, a back shaft bearing component, a rear wheel with a V-shaped groove, a front shaft, a front shaft bearing component, gears mounted on the front shaft in cooperation with the racks, a forward position limiting switch, a withdraw position limiting switch, a handheld type platform movement controller and a power distribution box and the like. The platform is used for power testing and test loading of various types of paver spiral distributors so as to realize automatic walking of the apparatus and the platform is suitable for the tests of more machine types; and the test efficiency is improved and the security and the reliability of the test are also ensured.