Information that specifically points out quality problems in manufacturing processes can be provided to a supplier, thereby providing techniques capable of improving procurement quality. A present procurement quality improving system 1 has a calculating device 11 having a processing function of calculating problems of the manufacturing processes of the supplier and a data storage device 12. The data storage device 12 stores supplier QC process-chart information (D1), process FMEA information (D2) including quality related information, etc. The calculating device 11 has a matching calculating unit 111, which carries out a processing of associating D1 with D2, a first display calculating unit 112, which carries out a processing of presenting the information including quality problem information, etc. calculated by the association to the supplier, etc.