An apparatus for detecting a driver status may include an information acquisition unit acquiring driver's vehicle driving information, driver's vehicle operation information, and driver status information, a calculation unit calculating a driving load indicated by converting a factor obstructing safe driving into a numerical value, based on the information acquired by the information acquisition unit, a comparison unit between the driving load calculated by the calculation unit and a preset load margin, and a warning unit warning the driver when the comparison unit determines that the calculated driving load exceeds the preset load margin.
