Dogs are pack animals, they can hardly stand the loneliness. And the little puppy does not understand - how can you be alone, because he is born with used to be in the company of mom, brothers and sisters.
To accustom the baby to being alone gradually. For a start leave it alone for 15 minutes. If going to the door, you hear screeching and crying, come into the apartment, praise the baby, you can even treat him to something delicious.
You can then leave the puppy for a longer period. Each time you return praise your kid, let him know that you will come and your appointment will give him a lot of fun.
If, however, the slightest attempt to go over the threshold, your puppy filled with tears, you can try to accustom him to being alone in the following way: before leaving, feed the baby. Generally, small puppies are sleeping after a meal, so a hearty meal will make the separation easier.
Before leaving, offer your pet a favorite toy. Busy playing your puppy will take the separation much easier.
Gradually increase the time you leave the kid alone. The correct behavior rapidly praise your pet.
If no methods do not help and the dog days voice alone, you should consider the option of purchasing a second pet - it is possible that with the advent of the home a second dog or cat, your puppy will forever cease to fear loneliness and enthusiastically will do games with a new friend!
If every caring your puppy starts crying, you should not pay attention to it. Don't stand outside the door in the hope that the puppy to calm down - dogs have excellent hearing, well-pet hears you and will cry even more. If you are returning after some time, your puppy says, you should go to the apartment and not to pay attention to the puppy. As soon as he is calm, praise the baby.