1. First choose a site with fewer pedestrians and less interference. The dog owner should ask a friend to give the dog a piece of his favorite food.
2. The owner first invites friends to help and feed the dog food. When the dog wants to eat, the owner uses the method of pulling the traction rope backward to stop the dog's desire to eat, and treats the dog's desire to eat. The dog gives the NO command to tell it that such behavior is wrong. If the dog stops eating, it should be encouraged in time.
3. If the dog can refuse to eat food from strangers in the presence of the owner, then further anti-feeding training can be carried out. The owner hides himself so that the dog cannot see him. At the same time, he ties the dog with a long leash, and then asks a friend to feed the dog something to eat. If the dog wants to eat, the owner will shout "No, no!" and jerk the leash to stop the dog.
4. If the dog is still unable to refuse food from strangers, then another method can be adopted to stop the dog from refusing food. If the dog wants to eat food given by a stranger, the owner will yell "No" and at the same time pull the leash upward to stop the dog from eating.