According to the relevant flight regulations, the size of the baggage that can be carried on the aircraft cannot exceed 55x40x20 cm, that is, 21x15x7 inches. The baggage within 21 inches can be carried on the aircraft. It should be noted that when the size requirements are met, the weight should also be met. It should not exceed 5 kg. The excess part needs to be checked. A certain amount of baggage can be checked for free.
Dangerous articles, explosives, controlled knives, poisons, corrosive articles, other articles with peculiar smell or easy to contaminate the aircraft and so on specified by the state cannot be carried on the aircraft. Although some articles are prohibited, they can be checked as luggage, such as kitchen knives, razors, fruit knives and other knives for daily use.