The embodiment of the invention discloses an engine test stand. The engine test stand comprises a control area, an experiment area, an oil supply system, a power supply system, a compressed air system, a chilled water system, power measurement equipment, fuel consumption measurement equipment, a data acquisition system, a control system and a case of which the bottom has a planar structure, wherein the control area, the experiment area, the oil supply system, the power supply system, the compressed air system, the chilled water system, the power measurement equipment, a hydraulic power measurement machine, the fuel consumption measurement equipment, the data acquisition system and the control system are all arranged in the case; and the power supply system is a power unit. The engine test stand is provided with a cooling circulation system and the power supply system, so the engine test stand can be used for specific experiments in depopulated areas.