The northern voles can be trained, and there are many training items, such as training the northern voles to climb on the owner's hand:

1. First try to give the feed directly to the northern voles, the feed used It is best to eat what the northern voles usually like to eat. 2. Let the northern voles smell the scent of the owner's hand. Put food in the palm of your hand and let the northern voles climb up to get it. Then you can try to gently touch the head of the northern vole, and then touch its body after the northern vole is used to it.

3, etc.