The present invention relates to the cold air outlet of the refrigerated showcase, in particular, by mounting the cold air outlet formed with a plurality of through holes at the end of the upper cold air duct of the refrigerated showcase, the cold air curtain effect, as well as the outside air does not penetrate food It is intended for long-term storage by maintaining the freshness of the fish. Each small number of small ducts are provided in the cold air duct formed on the upper side of the refrigerated showcase that displays and sells various foods, such as fish, meat, fruits, and vegetables, which are essential for maintaining freshness. By installing a cold air outlet having a through hole, the cold air flowing through the cold duct passes through a plurality of small through holes of the cold air outlet, and the discharge pressure is doubled and lowered. Not only maintenance, but also energy saving and long-term storage of food It relates to the discharge port of the cooling air for the showcase.
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