Embedded freezing and refrigerating device and door body connecting assembly thereof

The invention provides an embedded freezing and refrigerating device and a door body connecting assembly thereof. The door body connecting assembly comprises two vertical reinforcing pieces and a plurality of sets of fastening units, wherein each set of fastening unit comprises a fixing base and a side inserting piece, and each fixing base is provided with a main body plate opposite to a connecting flange and a protruding part formed on the face, facing the connecting flange, of the main body plate; each protruding part is fixed to the connecting flange, so that an inserting gap which is open towards the outer side in the width direction of a cabinet door body can be formed between the corresponding main body plate and the connecting flange; each side inserting piece is provided with an inserting plate and a connecting plate, an inserting piece extending into the inserting gap is arranged on one side of each inserting plate, and each connecting plate is formed at the edge, away from the corresponding insertin