Submissive urination is a normal way for your puppy to demonstrate submissive behavior. Even a dog that is otherwise housetrained may leave dribbles and puddles of urine at your feet when greeting you. Excitement urination with a puppy is usually caused by lack of bladder control. The puppy is not aware that he is urinating; he's just excited and any punishment will only confuse him.
Carry a handful of treats (or one of these convenient treat pouches). Walk around your yard, giving a treat to your dog while you’re walking every few steps. Give the treat down at your side, by your thigh. The idea is to convey ‘being right here next to mama when she’s walking means I get treats!’ Otherwise, completely ignore your dog. If he moves off and reaches the end of the leash, just stop walking until you get enough slack in the line to keep moving. How Does Cesar Millan Train A Dog With A Leash ?