Take an international flight: Generally speaking, the total weight of hand luggage does not exceed 7kg, and the volume of each luggage does not exceed 20× 40× 55cm (the sum of the three sides does not exceed 1 15cm). The free checked baggage allowance for economy class passengers is 20 kg, and that for economy class passengers with student passports is 30 kg. The free checked baggage allowance for business class is 30 kg; The free checked baggage allowance for first class is 40 kilograms. However, when the destination is the United States, you can check two pieces of luggage, each of which does not exceed 23 kg, and the sum of the three sides of a single piece of luggage does not exceed 158 cm. When it is exceeded, passengers need to pay the excess baggage fee. Articles that cannot be transported as checked baggage include: important documents, negotiable securities, currency, bills of exchange, jewelry, precious metals and their products, antique calligraphy and painting, fragile and fragile articles, perishable articles, samples, travel documents, valuables, etc.

Whether it is an international flight or a domestic flight, there are restrictions on carrying liquid goods. The single capacity shall not exceed 100ML, and the total amount shall not exceed1l. You can put it in a transparent bag and take it on the plane. The excess must be checked.