How to crop dog's ear and is there any efficient site for dog ear cropping tool? I need a ear crop t

Don't. First off, I think it's inhumane, and secondly it's incredibly easy for things to go wrong, especially when you're doing it yourself.

Please read these two hubs by community members, and think twice about cropping your dog's ears.

http://hubpages.com/hub/Myths-about-Dog-Ear-Croppi

http://hubpages.com/hub/Stylizing-Your-Dog

If you do decide to have your dog's ears cropped, have it done by a licensed vet.

I agree with Maddie's reply and would add that it is cruel! I wouldn't like my ear cropped, would you?

Consult with a veterinarian!!! Don't crop your dog's ears at home! Many organizations are actually trying to ban the cropping of ears and tails.

Consult with a vet! It's a surgical procedure!