Prohibited postal articles refers to the articles prohibited from posting by state laws, regulations, mainly including the follows

• Weapons and ammunitions, such as guns, bullets, artillery shells, grenades, mines, bombs, etc.
• Explosive articles, such as detonators, explosives, gunpowder, firecrackers, etc.
• Combustible articles, including liquids, gases and solids, such as gasoline, kerosene, tung oil, alcohol, raw lacquer, diesel, aerosols, gas lighters, gas cylinders, phosphorus, sulphur, matches, etc.
• Perishable articles, such as fire sulfuric acid, hydrochloric acid, nitric acid, organic solvents, pesticides, hydrogen peroxide, dangerous chemicals, etc.
• Radioactive elements and containers, such as uranium, cobalt, radium, and plutonium, etc.
• Hard poisons, such as thallium, cyanide, arsenic, etc
• All anesthetics, such as opiates (including pericarpium papaveris, flower, shell and leaf), morphine, cocaine, heroin, marijuana, methamphetamine, ephedrine and other products.
• All bio-chemical products and epidemic articles, such as anthrax, the dangerous viruses, medical wastes, etc.
• All publications, promotion materials, printed matters and others that threaten the state security, social and political stability, or are pornographic.
• Articles undermine public health, such as skeleton, animal organs, body parts, and untanned hides and non-pharmaceutical animal bones.
• Articles expressly prohibited from circulation, postal, or going inbound and outbound by state laws, regulations, administrative regulations, such as state confidential documents and materials, state cash and counterfeit cash, negotiable securities, simulative weapons, restrained knives, precious relics, endangered wildlife and products thereof, and other articles.
• Improperly packaged articles that may harm personal security, pollute or damage other postal articles and facilities.
• Articles prohibited from post import by the destination country (region).
• Other articles prohibited from posting.