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. <EOS>