Can I bring cold food on the plane?

You can take 12 catties of raw mutton on the plane, but it can only be checked, not carry-on. The weight of carry-on items is limited to 5 kg per passenger. Passengers holding first-class tickets can carry two items per person. The volume of each carry-on item shall not exceed 20*40*55 cm. Carry-on items that exceed the above weight, number of pieces or volume limits should be checked in as checked baggage. Checked luggage must be well-packed, well-locked, securely bound, capable of withstanding certain pressure, and able to be safely loaded, unloaded and transported under normal operating conditions.