Backpacks can get on the plane. It is stipulated that the luggage checked in the plane should not exceed 5kg and the volume should not exceed 20 × forty × 55cm = 6x12x16.5 inches can be brought into the cabin with you. If the above limit is exceeded, you need to handle consignment.
Checked baggage is limited in weight and volume. The ceiling for domestic flights is 50 kg. The free quota is 40kg in first class, 30kg in business class and 20kg in economy class. Excess baggage is calculated at 1.5% of the ordinary fare of economy class per kilogram. In addition, checked baggage shall be packaged completely.
Inflammable and explosive dangerous goods, guns, controlled knives, etc. can not be carried on the plane or checked in. There are also substances with anesthetic, unpleasant or other similar odor or nature, articles easy to stain the aircraft, except living animals, small animals and service dogs that meet the transportation regulations.