A dog handler is a profession that is responsible for the care and management of dogs, as well as a series of dog-related activities. Their work covers daily care, training, behavioral management of dogs, and may even include participation in dog breeding programs and transportation.

The primary responsibility of a dog handler is to ensure that the basic needs of the dog are met, including regular feeding, ensuring water sources, and maintaining the dog. Only the cleanliness and sanitation of the living environment, etc. In addition, they are required to conduct regular physical examinations on the dogs to ensure that they are in good health and to detect and deal with any possible health problems in a timely manner.