20 kg for economy class passengers holding adult or child tickets, 30 kg for business class passengers, and 40 kg for first-class passengers. Passengers holding infant tickets have no free baggage allowance. For international flights: the free checked baggage allowance for economy class passengers is 20 kg, and the free checked baggage allowance for economy class passengers with student passports is 30 kg; the free checked baggage allowance for business class is 30 kg, and the free checked baggage allowance for first-class passengers is 30 kg. The limit is 40 kg.

　　However, when the destination is the Americas, the checked baggage can be two pieces, each of which does not exceed 23 kg, and the three sides of a single piece of Trolley suitcase luggage do not exceed 158 cm. When exceeding, the passenger needs to pay the excess baggage fee. (Some airlines have special weight restrictions, please pay attention to the reminder on the ticket or consult the airline) Excess baggage charges.

　　Passengers shall pay an excess baggage fee for excess baggage. The excess baggage rate for domestic flights is calculated at 1.5% of the economy class fare per kilogram, and the amount is in yuan. Different airlines have different rates and calculation methods for excess baggage on international flights, and passengers must follow the regulations of each airline.