The utility model discloses a cleaning device of an oil depot area inspection vehicle. The cleaning device comprises two side brush mechanisms, a double-rolling-brush mechanism and a scrap collection box. The side brush mechanisms are arranged on two sides of an inspection vehicle body. The double-rolling-brush mechanism is arranged on the lower portion of the inspection vehicle body. Each side brush mechanism comprises a side brush, a side brush rod, a side brush base plate and an electric push rod. The double-rolling-brush mechanism comprises a front rolling brush, a rear rolling brush, a cleaning support, a lead screw, a first motor and a shield. The scrap collection box is arranged in rear of the rear rolling brush and comprises a fixed box and a moving box. By the cleaning device of the oil depot area inspection vehicle, manpower and material resources are saved, and working efficiency is improved.