A crate. It is only natural that a puppy resists its crate at first. What the puppy wants more than anything else is to be others, you, anyone else in the Household, and any other pets. In our modern society, even if we are home. Other things distract us from the attention an uncrated puppy must have. The Only real solution is to crate the dog when you aren't around. The dog may be Happier in its room than loose in the house. It relaxes, it feels safe in its Room. It rests; the body slows down reducing the need for water and relieving Its self. Dogs that have been crated all along do very well. Many of them Will rest in their crates even when the door is open.

First of all you have to know what age is the earliest for a puppy to be taken from its mom and what are the things to look for before adopting/buying a puppy