A faucet spray head or gun body arrangement, including a spray gun body, a spray gun press handle, a spray gun inner core tube and control means, the spray gun press handle being movably fixed on the spray gun body, the spray gun inner core tube being disposed in the spray gun body, and the control means engaging with the spray gun inner core tube and the spray gun press handle, wherein two outlet waterways are provided in the spray gun inner core tube, and the control means is provided with a movable central pin controlling and shifting the two outlet waterways of the spray gun inner core tube.