To easily determine appropriate manufacturing conditions for the manufacturing conditions to manufacture a metal strip while continuously passing and processing the metal strip.

A manufacturing condition determination system determining the manufacturing conditions to manufacture the metal strip while continuously passing and processing the metal strip includes: a manufacturing result storage unit 210 storing manufacturing result data including the manufacturing conditions in processing the metal strip; a quality result storage unit 310 storing the quality result data including the quality of the metal strip; a quality situation calculation unit 50 calculating the relation between the manufacturing conditions and the quality of the metal strip on the basis of the manufacturing result data and the quality result data; and manufacturing condition calculation unit 90 calculating new manufacturing conditions on the basis of the relation between the manufacturing conditions and the quality obtained by the quality situation calculation unit 50.

COPYRIGHT: (C)2010,JPO&INPIT