To provide a cylinder fuel injection spark ignition internal combustion engine to secure favourable engine startability and to comparatively early warm an engine exhaust system catalytic device.

A warming control degree (solid line) on a part cylinder to warm up the catalytic device arranged in an engine exhaust system is made smaller at the time of driving the part cylinder in comparison with at the time of driving all the cylinders on the cylinder injection spark ignition internal combustion engine to perform driving of all the cylinders by injecting fuel to all the cylinders after performing driving of the part cylinder by injecting fuel only to the part cylinder when starting the engine.