The dogs used for airport luggage inspection are usually special dogs, such as Labradors, German Shepherds, etc. These dogs can be trained to detect the odor of carrying dangerous items to help airport security personnel keep travelers safe.

The dog that hears luggage at the airport is a quarantine dog, and is a type of working dog. Commonly used working dogs in China include military dogs used by the army, police dogs used by the armed police and public security, drug-killed dogs used by customs, search and rescue dogs used by search and rescue organizations, and guide dogs used by blind people, etc., and others include hunting dogs, sheepdogs, etc.

The quarantine dog and the above-mentioned working dogs have the characteristics of sensitive smell, alert reaction, and able to react to specific target objects. However, the quarantine dogs also have different characteristics from other working dogs, namely, cute appearance, friendly to people, not afraid of noise, good obedience, etc., and are sensitive to animals, plants, and harmful bacteria, and are suitable for use at port travel inspection sites. There are three commonly used quarantine dogs in the world: Beagle, Spenger and Labrador, among which Beagle dogs are the most widely used. As a new quarantine inspection method,

Quarantine dogs play an important role in improving tourism inspection and inspection methods and preventing the influx of pests from abroad. The application of quarantine dogs can make up for the shortcomings of traditional manual inspection and X-ray fluoroscopy inspection. By establishing a new human-machine-dog inspection model, it can effectively reduce the occurrence of missed inspection, improve the accuracy and detection rate of inspection, and prevent the incoming of pests from abroad.

This work fills the gap in the application of working dogs in my country in the field of inspection and quarantine, making my country a country that has carried out the application of quarantine dogs after the United States, Canada, Australia, New Zealand and Japan, and further improves the effectiveness of my country's inspection and quarantine work.