Dog ID card is a kind of identification. After adopting or buying a dog, you need to go to the local animal health supervision agency or veterinary hospital for treatment. Usually you need to bring the dog's vaccine certificate, purchase contract and other related materials. After processing, you will get a dog ID card with basic information of the dog, such as name, breed, owner, etc.
Dog registration certificate is a kind of management certificate, which needs to be handled by the local public security department or the city administration. The specific process may vary from region to region, but generally you need to bring the dog ID card and the owner's valid identification and other materials. Upon completion, you will get a dog registration certificate with the basic information and registration number of the dog.