In accordance with the current and effective international standards, that is, the ICAO Code of Practice for the Safe Transport of Dangerous Goods and the Dangerous Goods Regulations of the International Air Navigation Association (IATA), dangerous goods in air transport activities can be broadly classified as follows 9, flammable; 2, gas; 3, flammable liquid and flammable solid; 4, spontaneous combustion of substances and water release of gas substances; 5, oxidants and peroxides; 6, toxic and infectious substances; 7, radioactive material; 8, corrosive substances; 9, miscellaneous dangerous goods. Depending on the degree of risk of dangerous goods, dangerous goods can be classified into dangerous goods that can be carried by a passenger and cargo aircraft, dangerous goods only for cargo, dangerous goods normally prohibited but can be carried in special circumstances in the country concerned, and Dangerous goods that are prohibited from transport in any case.