It is forbidden to take guns (including all kinds of simulated toy guns, micro-launchers and all kinds of offensive weapons), ammunition, ordnance, police equipment, explosives, flammable and explosive substances, toxic substances, radioactive substances, corrosive substances, dangerous solutions and other prohibited items on the plane or check luggage and articles. Anyone who carries or entrains the above items shall be immediately handed over to the public security organ for handling.
2) What liquid articles are restricted to carry on the plane?
Liquid drinks: such as mineral water, tea, carbonated drinks, milk, yogurt, fruit juice, etc.
Cosmetics for washing: such as toothpaste, shampoo, shower gel, lotion, shaving foam;
Gel products: styling water, gel water, etc.
Drugs: such as eye drops, oral or external solutions, sprays, etc.
Liquid food: sweet noodle sauce, bottled and canned food;
Aerosol: spray liquid.
3) The carry-on baggage allowance on the plane? ：
When taking domestic flights: the total weight of hand luggage shall not exceed 5 kg, and the volume of each piece shall not exceed 20×40×55 cm. If the quantity, weight or volume limit is exceeded, the airline will ask for checked baggage.
When taking an international flight, the total weight of hand luggage generally does not exceed 7kg, and the volume of each piece of luggage does not exceed 20× 40× 55cm (the sum of the three sides does not exceed 1 15cm). Passengers on the US-Canada route can only carry one piece of hand luggage with them. Some airlines have special weight restrictions, please pay attention to the tips on the ticket or consult the airline. )
Handling methods of liquid articles that cannot pass the safety inspection:
If you carry liquids or gels that do not meet the safety requirements, these items and containers can only be discarded. The security department does not set up custody or storage services. In order to pass the security check smoothly, please put liquid, gel and spray in the checked baggage.
References:
Civil Aviation Administration of China "security check"