The durability test device for a commercial vehicle's containment mirror has been proposed. When the containment test device drives a containment switch, the containment motor is operated by the operation of a relay, which puts the endurance test mirror on the jig and then turns on the endurance test. A plurality of relays are driven to cycle the time of the AC timer controlling the time to drive the first and second magnet babs, and the first and second air cylinders connected to the air hoses according to the driving of the first and second magnet valves. It is characterized by testing the durability of the containment mirror in the air pressure of.
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