A refrigerator, comprises a pair of side walls arranged opposite to each other in the left-right direction and a compressor compartment disposed in its lower rear portion thereof, the compressor compartment comprises a built-in space, a heat dissipation fan disposed in the internal space, a back plate disposed in the rear of the built-in space, and a bottom plate disposed below the built-in space, wherein the back plate has a first air port and a second air port arranged side by side in the left-right direction, the first air port and the second air port are respectively communicated with a rear space of the refrigerator, the bottom plate is provided with a third air port communicated with a lower space of the refrigerator, the built-in space has a first air passage and a second air passage, the first air passage communicates with the first air port and the second air port and passes through the heat dissipation fan, the second air passage communicates with the third air port and the second air port and passes through the heat dissipation fan, the refrigerator further comprises a baffle and a driving mechanism, the baffle is movably disposed at the first air port, and the baffle has a first position for opening the first air port and a second position for closing the first air port; characterized in that the driving mechanism is configured as a push rod, the push rod moves in the left-right direction relative to the baffle to push the baffle to move from the first position to the second position, the push rod has a first end and a second end that are arranged opposite to each other in the left-right direction, and the first end is connected to the baffle, the end face of the second end is set as an arcuate surface or an inclined surface gradually away from the side wall from back to front; when the baffle is at the first position, the second end protrudes out of the side wall in the left-right direction. wherein the back plate has a first air port and a second air port arranged side by side in the left-right direction, the first air port and the second air port are respectively communicated with a rear space of the refrigerator, the bottom plate is provided with a third air port communicated with a lower space of the refrigerator, the built-in space has a first air passage and a second air passage, the first air passage communicates with the first air port and the second air port and passes through the heat dissipation fan, the second air passage communicates with the third air port and the second air port and passes through the heat dissipation fan, the refrigerator further comprises a baffle and a driving mechanism, the baffle is movably disposed at the first air port, and the baffle has a first position for opening the first air port and a second position for closing the first air port; characterized in that the driving mechanism is configured as a push rod, the push rod moves in the left-right direction relative to the baffle to push the baffle to move from the first position to the second position, the push rod has a first end and a second end that are arranged opposite to each other in the left-right direction, and the first end is connected to the baffle, the end face of the second end is set as an arcuate surface or an inclined surface gradually away from the side wall from back to front; when the baffle is at the first position, the second end protrudes out of the side wall in the left-right direction.