PROBLEM TO BE SOLVED: To provide a refrigerator capable of grasping a state of oxygen inside an oxygen reduction chamber.SOLUTION: A refrigerator comprises an oxygen reduction chamber provided inside a cabinet, an oxygen reduction device for reducing oxygen inside the oxygen reduction chamber, a display unit 17 for displaying an operation state of the oxygen reduction device, and oxygen concentration measurement means that measures oxygen concentration inside the oxygen reduction chamber. The display unit displays the oxygen concentration measured with the oxygen concentration measurement means.SELECTED DRAWING: Figure 16【課題】減酸素室内部の酸素の状態を把握できる冷蔵庫を提供する。【解決手段】キャビネット内部に設けられた減酸素室と、減酸素室内部の酸素を減らす減酸素装置と、減酸素装置の動作状態を表示する表示部17と、減酸素室内部の酸素濃度を測定する酸素濃度測定手段を有し、表示部は、酸素濃度測定手段が測定した酸素濃度を表示する。【選択図】図16