A refrigerator provided with a sealed drawer on a door body, comprising: a refrigerator body that defines a first storage space; a first door, pivotally disposed at a front portion of the refrigerator body and configured to open and close the first storage space; a sealed barrel, disposed inside the first door and provided with an opening on one side away from the first storage space; a drawable box, disposed inside the sealed barrel in a drawable way via the opening; characterized in that the refrigerator further comprises: a ventilating device, disposed inside the sealed barrel and configured to allow communication between an internal space of the sealed barrel and the first storage space when turned on, thus realizing air exchange between the internal space of the sealed barrel and the first storage space; a first humidity detection device, disposed inside the first storage space and configured to detect an air humidity in the first storage space; and a second humidity detection device, disposed inside the sealed barrel and configured to detect an air humidity in the sealed barrel; and the ventilating device is further configured to be turned on when the air humidity in the sealed barrel is higher than the air humidity in the first storage space. a refrigerator body that defines a first storage space; a first door, pivotally disposed at a front portion of the refrigerator body and configured to open and close the first storage space; a sealed barrel, disposed inside the first door and provided with an opening on one side away from the first storage space; a drawable box, disposed inside the sealed barrel in a drawable way via the opening; characterized in that the refrigerator further comprises: a ventilating device, disposed inside the sealed barrel and configured to allow communication between an internal space of the sealed barrel and the first storage space when turned on, thus realizing air exchange between the internal space of the sealed barrel and the first storage space; a first humidity detection device, disposed inside the first storage space and configured to detect an air humidity in the first storage space; and a second humidity detection device, disposed inside the sealed barrel and configured to detect an air humidity in the sealed barrel; and the ventilating device is further configured to be turned on when the air humidity in the sealed barrel is higher than the air humidity in the first storage space. a ventilating device, disposed inside the sealed barrel and configured to allow communication between an internal space of the sealed barrel and the first storage space when turned on, thus realizing air exchange between the internal space of the sealed barrel and the first storage space; a first humidity detection device, disposed inside the first storage space and configured to detect an air humidity in the first storage space; and a second humidity detection device, disposed inside the sealed barrel and configured to detect an air humidity in the sealed barrel; and the ventilating device is further configured to be turned on when the air humidity in the sealed barrel is higher than the air humidity in the first storage space.