Dessert, usually refers to sweet foods such as pastries and cakes. According to airline regulations, passengers are allowed to bring a small amount of food onto the plane, including desserts. These food items can be placed in a carry-on bag or luggage, or you can choose to place them on the airplane's dining car. If the desserts are in liquid form, such as ice cream or jam, they cannot be carried on board the airplane and must be checked in.

If the dessert is a perishable food, such as cake or custard, it also needs to be specified at check-in and checked in according to the airline's requirements. Desserts can be carried on airplanes, but you need to be aware of the special rules for liquid desserts and perishable desserts. When carrying food on the plane, it is best to consult the airline or check the relevant regulations in advance to ensure that your trip goes smoothly.