The present invention relates to an apparatus and method for evaluating the safety of RTP data. According to an embodiment of the present invention, the computer-implemented method for evaluating safety of RTP data comprises the steps of: receiving first RTP data about a first concerned area of a patient； receiving a second concerned area of the patient from a user； and calculating an amount of radiation for the second concerned area by using the first RTP data and a medical image of the patient. The evaluating method of the present invention may further comprise a step of evaluating the safety of the first RTP data by using information on the amount of radiation for the second concerned area.
