Vehicle-mounted storage device and vehicle-mounted refrigerator

The invention discloses a vehicle-mounted storage device and a vehicle-mounted refrigerator, the vehicle-mounted storage device comprises a storage cabin body, and the storage cabin body comprises a storage cavity and an opening communicated with the storage cavity; the cabin door mechanism comprises a driving connecting assembly and an automatic cabin door used for being opened and closed at the opening. The object carrying sliding mechanism comprises an object carrying bracket and a sliding driving assembly which are contained in the object storage cavity, and the object carrying bracket is connected to the sliding driving assembly in a linear motion mode; the carrying bracket extends out of the opening or retracts into the storage cavity; the control mechanism is used for controlling the driving connecting assembly to open/close the automatic cabin door when receiving a cabin door opening/closing instruction and controlling the sliding driving assembly to push the carrying bracket to stretch out of/retract