To provide wire laying method and apparatus which realize high utilization of a wire laying space by pressing a plurality of wires one over another in a wire groove formed in an insulating plate, wires 2A to 2C drawn from a wire laying head 5 are, while being inserted into a wire groove 1a using a natural bend R, forcibly pressed to specified depths by a pressing pin 11 in synchronism with the movement of the wire laying head 5. <MATH>