You can take tea with you by plane.

the following items are not allowed to be checked as luggage or sandwiched in luggage, nor are they allowed to be brought into the cabin for transportation as free carry-on items:?

dangerous goods, guns (except hunting rifles and sports guns), military or police equipment (including main parts) and controlled knives. ?

live animals, fresh perishable items with obvious odor (such as seafood and durian). ?

each first-class passenger can carry two pieces of luggage with him, and the weight of each piece of luggage should not exceed 5 kg; Each business class and economy class passenger can carry one piece of luggage with him, and the weight shall not exceed 5 kg.

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limit the types of liquid items that you can carry with you:

1. Liquid drinks: such as mineral water, tea, carbonated drinks, milk, yogurt, fruit juice, etc.

2. toiletries: such as toothpaste, shampoo, shower gel, lotion and shaving foam.

3. Gel products: styling water, gel water, etc.

4. Drugs: such as eye drops, oral or topical solutions, sprays, etc.

5. Liquid food: sweet noodle sauce, bottled and canned food.

6. aerosol: spray liquid. ?

China international airlines-carry-on luggage?

Civil Aviation Administration of China-Travel Guide (security check)

People's Daily Online-Matters needing attention in baggage consignment when flying.