The carrier shall be liable for the loss or damage of the above items carried in the checked baggage according to the ordinary checked baggage. Prohibited articles, restricted transport articles, dangerous goods, and other articles with peculiar smell or easily polluting aircraft as stipulated by the state shall not be checked as baggage or sandwiched in luggage.
The carrier may refuse to pick up the luggage or terminate the transportation at any time if he finds that there are articles in the luggage that cannot be transported as luggage or caught in the luggage before picking up the luggage or during the transportation. Passengers are not allowed to carry controlled knives on board. Sharp or blunt tools other than controlled knives should be checked with the checked baggage and cannot be carried with you.
Extended data:
Limit the maximum volume and/or weight of luggage brought into the cabin. First class and business class passengers are allowed to carry two personal belongings each, and the weight of each item shall not exceed 8 kg (17 lb); Each economy class passenger can take one carry-on item, and the weight shall not exceed 5 kg (1 1 lb).
The length, width and height of each carry-on article shall not exceed 55cm (22 inches), 40cm (16 inches) and 20cm (8 inches) respectively, so as to be placed in the closed luggage rack above the aircraft cabin or below your front seat. If it cannot be placed in the above way, or because it is overweight, oversized, or for safety reasons, it should be transported as checked baggage.
Baidu Encyclopedia-China Civil Aviation Passenger Baggage Transportation Rules