Foot adjusting system and refrigerator having same

A foot adjusting system, comprising:

• a driving rotating wheel, which comprises a driving rotating shaft and a driving rotary disc, wherein the driving rotary disc is fixedly connected to the driving rotating shaft or integrated with the driving rotating shaft to drive the driving rotating shaft to rotate and is configured to be supported on a supporting surface where an apparatus with the foot adjusting system being installed is located, and the driving rotating wheel is not inserted into the apparatus;
• a drive belt, sleeved on an outer periphery of the driving rotating shaft;
• and
• a foot, provided with a screw rod and a driven rotary disc, the screw rod being rotatably screwed into a threaded hole at a bottom of an apparatus where the foot adjusting system is installed, an outer periphery of the driven rotary disc being sleeved with the drive belt so as to be in a transmission connection with the driving rotating shaft, and the driven rotary disc being fixedly connected to the screw rod or integrated with the screw rod to form a one-piece part so as to drive the screw rod to rotate.