A connection system for a house and a vehicle, may include a vehicle door provided in the vehicle to open or close a vehicle entrance through which a passenger enters or exits the vehicle and allowing an internal space of the vehicle to be exposed into the house when authenticated by the house; and a hatch provided in a house entrance on a side wall of the house to selectively couple the house entrance and the vehicle entrance with each other so that an internal space of the vehicle and an internal space of the house are connected to each other in a state that the vehicle door is open when the authenticated vehicle is parked on a side of the house entrance.