Legal basis: Article 36 of China Civil Aviation Passenger Luggage Transport Rules, the luggage carried by the carrier is limited to the articles within the definition of Item 23 of Article 3 of these Rules. Baggage carried by the carrier is divided into checked baggage, self-care baggage and personal belongings according to the transportation responsibility. Important documents and materials, diplomatic envelopes, negotiable securities, currency, bills of exchange, valuables, fragile articles and other articles requiring special attention shall not be consigned. 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.