The invention discloses a fixed bed catalyst evaluation device with a spur device. The fixed bed catalyst evaluation device comprises a fixed bed reactor, wherein the fixed bed reactor is connected with a catalyst feeder through a feed pipe, an addition pipe is connected to the fixed bed reactor, a metering device is installed on the addition pipe, the fixed bed reactor is respectively equipped with an open source single chip microcomputer, an object connecting device, a heating device, a cooling device, a pressure releasing device and a spur device, the spur device is connected with pistons through a transmission mechanism, and the pistons are distributed on the inner side of the fixed bed reactor. The fixed bed catalyst evaluation device with the spur device has the following advantagesthat the catalyst feeder is used to quantitatively add the catalyst to the fixed bed reactor, the addition pipe is used to transport additives to the inside of the fixed bed reactor, the metering device is used to adjust the addition amount of the addition pipe, and the rigor of the experiment is ensured by quantitatively inputting the reactant, thereby ensuring the accuracy of the evaluation device.