Understand the dog's behavior. In a dog's world, it is instinctual to greet another dog by coming nose-to-nose with them. This allows them to sniff each other's faces and become acquainted with the other dog's scent. Of course, your nose is a bit higher to reach so it is only natural that your dog will jump up to get closer to your face when greeting you. This can be quite annoying and unnecessary, but fortunately, the habit can be broken.
Jumping up seems cute when your puppy is a little guy, but when he grows into an adolescent, jumping on people can become more than rude. These juvenile delinquent dogs haven’t learned how to control their excitement and can bruise, scratch or knockdown owners when they launch themselves and plow into you with their paws and claws. With small dogs and young pups, these tips to stop jumping up can work.
Make sure other family members and visitors understand this command, as well. It is crucial that your dog understand that all family and visitors are above his rank in the pack. Otherwise, he will lash out and try to assert himself on everyone. While using the Off command may not be appreciated by most visitors, but it is more important that a dog has a good greeting manner with all people. A little effort on everyone's side makes your dog disciplined and docile.
2. Greet your dog on his level! In addition to waiting to greet your dog, you should also greet him in a stooped position, so that he doesn't have to jump up to greet you. Additionally, if you wish to pet or cuddle your dog, do so on his level. This removes the need to jump at any time. PRAISE HIM for not jumping. If he jumps, use the "Off" command until he stops.
By playing some simple games like fetch with your dog, you can kill 2 birds with one stone. First is that the actual playing of the game will surely tire them out so much that they won’t have the energy to jump the fence. Second is that you are associating the fun of the game with the yard. If they have fond memories of the yard they will be less likely to try and get out.
Why do dogs jump up? A plausible explanation arises from their ways of communicating with each other. A puppy greeting an adult dog often licks the adult’s muzzle -- a polite, deferential behavior. Dogs, of course, descend from wolves, among whom muzzle-licking is how pups get the grownups to regurgitate food for them. Domestic dogs rarely nourish puppies this way, but muzzle-licking has survived, maybe because deferential behaviors are handy for a social animal. Think of humans saying “No, after you.” Muzzle-licking is also an appeasement behavior -- something you trot out to de-escalate a fight. A human might lift up his hands, palms toward the person he’s arguing with.