A system for inducing respiration according to one embodiment of the present invention comprises: an imaging unit for picking a respiration image of a patient; a respiration signal conversion unit for obtaining a respiration signal of the patient by image processing, and tracking and analyzing the respiration image of the patient obtained from the imaging unit; and a respiration determination unit for determining one or more of whether the obtained respiration signal is suitable for radiation treatment, whether the obtained respiration signal is stable, and whether a matching score between the respiration signal of the patient and a guide respiration is greater than a predetermined reference value; and a respiration guide unit for providing the respiration signal of the patient, obtained from the respiration signal conversion unit, together with a stored guide signal.