An entrance refrigerator, comprising: a cabinet including: a front opening; a side opening; a rear surface; and an interior space, wherein the cabinet is configured to be embedded in an outer wall partitioning an indoor area and an outdoor area and to receive an article from the outdoor area through the front opening; an outer door configured to selectively open and close the front opening and have an outer surface exposed to the outdoor area; an inner door configured to selectively open and close the side opening and have an outer surface exposed to the indoor area; and a cold air supply assembly being configured to supply cold air to the interior space, characterized in that the cold air supply assembly is disposed at the rear surface of the cabinet and includes an endothermic surface on a first side of the thermoelectric element and an exothermic surface on a second side of the thermoelectric element, the first side of the thermoelectric element being opposite to the second side of the thermoelectric element, wherein the rear surface of the cabinet includes a through-hole, wherein the cold air supply assembly is positioned in the through-hole of the rear surface of the cabinet, and wherein the cold air supply assembly further includes: a cold sink in contact with the endothermic surface of the thermoelectric element; a heat absorption fan positioned at a front of the cold sink; a heat sink in contact with the exothermic surface of the thermoelectric element; a heat dissipation fan positioned at a rear of the heat sink; and an insulation block surrounding edges of the thermoelectric element and disposed between the cold sink and the heat sink to prevent heat transfer between the cold sink and the heat sink. a cabinet including: a front opening; a side opening; a rear surface; and an interior space, wherein the cabinet is configured to be embedded in an outer wall partitioning an indoor area and an outdoor area and to receive an article from the outdoor area through the front opening; a front opening; a side opening; a rear surface; and an interior space, wherein the cabinet is configured to be embedded in an outer wall partitioning an indoor area and an outdoor area and to receive an article from the outdoor area through the front opening; an outer door configured to selectively open and close the front opening and have an outer surface exposed to the outdoor area; an inner door configured to selectively open and close the side opening and have an outer surface exposed to the indoor area; and a cold air supply assembly being configured to supply cold air to the interior space, characterized in that the cold air supply assembly is disposed at the rear surface of the cabinet and includes an endothermic surface on a first side of the thermoelectric element and an exothermic surface on a second side of the thermoelectric element, the first side of the thermoelectric element being opposite to the second side of the thermoelectric element, wherein the rear surface of the cabinet includes a through-hole, wherein the cold air supply assembly is positioned in the through-hole of the rear surface of the cabinet, and wherein the cold air supply assembly further includes: a cold sink in contact with the endothermic surface of the thermoelectric element; a heat absorption fan positioned at a front of the cold sink; a heat sink in contact with the exothermic surface of the thermoelectric element; a heat dissipation fan positioned at a rear of the heat sink; and an insulation block surrounding edges of the thermoelectric element and disposed between the cold sink and the heat sink to prevent heat transfer between the cold sink and the heat sink. a cold sink in contact with the endothermic surface of the thermoelectric element; a heat absorption fan positioned at a front of the cold sink; a heat sink in contact with the exothermic surface of the thermoelectric element; a heat dissipation fan positioned at a rear of the heat sink; and an insulation block surrounding edges of the thermoelectric element and disposed between the cold sink and the heat sink to prevent heat transfer between the cold sink and the heat sink.