A refrigerator, comprising: a main body having a storage chamber; a refrigeration cycle device including a compressor and a cooler; an air blower configured to blow cooling air cooled by the cooler to the storage chamber; a damper configured to control a blowout volume of the cooling air to be blown out to the storage chamber; and control means for controlling at least one of the compressor, the air blower, and the damper, characterized by further comprising: input means for receiving input of schedule information that is information about a schedule of a plurality of users; and storage means for storing the schedule information input into the input means, the control means being configured to control at least one of the compressor, the air blower, and the damper based on the schedule information, the schedule information including one or both of information about a regular outing time period and information about an irregular outing time period, the regular outing time period being scheduled as a time period of regular outing of the user, the irregular outing time period being scheduled as a time period of irregular outing of the user and wherein the control means is configured to reduce cooling of the storage chamber by decreasing both or one of the rotation speed of the compressor and the air blow amount of the air blower as compared with those in the normal operation, during the time period when all the users are scheduled to go out and be absent and the time period when all the users are scheduled to sleep. a main body having a storage chamber; a refrigeration cycle device including a compressor and a cooler; an air blower configured to blow cooling air cooled by the cooler to the storage chamber; a damper configured to control a blowout volume of the cooling air to be blown out to the storage chamber; and control means for controlling at least one of the compressor, the air blower, and the damper, characterized by further comprising: input means for receiving input of schedule information that is information about a schedule of a plurality of users; and storage means for storing the schedule information input into the input means, the control means being configured to control at least one of the compressor, the air blower, and the damper based on the schedule information, the schedule information including one or both of information about a regular outing time period and information about an irregular outing time period, the regular outing time period being scheduled as a time period of regular outing of the user, the irregular outing time period being scheduled as a time period of irregular outing of the user and wherein the control means is configured to reduce cooling of the storage chamber by decreasing both or one of the rotation speed of the compressor and the air blow amount of the air blower as compared with those in the normal operation, during the time period when all the users are scheduled to go out and be absent and the time period when all the users are scheduled to sleep. input means for receiving input of schedule information that is information about a schedule of a plurality of users; and storage means for storing the schedule information input into the input means, the control means being configured to control at least one of the compressor, the air blower, and the damper based on the schedule information, the schedule information including one or both of information about a regular outing time period and information about an irregular outing time period, the regular outing time period being scheduled as a time period of regular outing of the user, the irregular outing time period being scheduled as a time period of irregular outing of the user and wherein the control means is configured to reduce cooling of the storage chamber by decreasing both or one of the rotation speed of the compressor and the air blow amount of the air blower as compared with those in the normal operation, during the time period when all the users are scheduled to go out and be absent and the time period when all the users are scheduled to sleep.