Action one, teach the dog to shake hands first. This is the basic thing. Pick up the dog's front paws, change left and right, and shout the password while doing the action, so that the dog can learn to listen to the password.

Action 2, train to sit down, lay a foundation for learning to lie down, hold down the dog's ass with your hand, let it sit down, and then shout the password while doing the action.

Action 3, train how to lie down, as long as you sit down and learn, lying down will be much easier. Let the dog sit down, hold the dog's forelimb with your hand, and slowly pull it forward. The dog will lie down and shout the command while doing the action.

Action 4: Practice playing dead, let the dog get down, gently push him down, let the dog lie down all the time, then let him get up, repeat, get down, lie down, and shout the password while doing the action.