Abstract: A quality problem treatment supporting system includes a storage portion and a processing portion. The processing portion includes a claim code checking program; a parts number checking program; an attached file search program; a temporal registration data determination program; a claim history data determination program; a delivery result search program; a classification data generation program; an investigation-execution-section determination section; a formal registration execution program; an investigation request message generation program; a past status determination program; a continuous failure determination program; a post-processing data generation program; a defect responsibility rate calculation program; a price data extraction program; an expense data extraction program; a remuneration calculation program; a monetary amount calculation program; and an payment amount determination program; and a monetary amount information transmission program.