Border Collies can be trained simply when they are 3 months old. During this period, you can start with sitting, lying down, and lying down, which are the easiest to learn, and then gradually increase the training intensity. Dogs can learn many skills when they are young, and secondly, it can facilitate better discipline for breeders. It is recommended that breeders use rewards and praise during training, and give corresponding rewards to Border Collies after they complete instructions.