The invention discloses a multi-purpose step-in type man-made environment compound simulation endurance test installment. It has the test chamber body which connects with the controller, the CO2 system, the spray system, the salt mist system, sprays the system, the Canadian wet system, the refrigeration unit which connects the water pump, the basin. There is the air conditioning cabinet on the side of the test chamber body, on the air conditioning cabinet there is equipped with the evaporator and the heater on which is equipped with the air blower and the electrical machinery; the discharge pipe installs on the air conditioning cabinet base, the lamp stand, the nozzle installs on the test chamber body, there is equipped with the ultraviolet lamp tube on the lamp stand, there is equipped with the spray nozzle on the nozzle, the hydraulic cylinder control fluctuation of lamp stand and the nozzle. The invention has reasonable structure, can meet the test need of long-term, stable, safe, the reliable, can satisfy the user long-term operation requirements, and also has long use, operation, service convenient, service life, the modeling has the good user contact surface, causes the user operation and monitor more simpler and direct-viewing.