Barberry porridge, as a liquid, is usually not allowed to be carried on airplanes as a carry-on item, and according to civil aviation regulations, passengers are not allowed to carry more than 100ml of liquid. According to civil aviation regulations, passengers should not carry more than 100ml of liquid capacity, because the general capacity of the porridge is more than this limit, so it can not be carried as a carry-on items through the security check. If passengers do need to carry the porridge, they can choose to check it in. In addition, meals are usually provided on board the airplane to satisfy passengers' catering needs, so passengers do not have to worry about hunger during the journey. It is important to note that if passengers have purchased unfinished Eight Treasure Porridge within the airport, they can bring it on board the airplane, as these items are authorized by security. However, Bapao congee purchased from outside the airport cannot be taken on board the airplane, as this is usually restricted by the customs and border control regulations of the destination country.