To prevent rejects from being generated by eliminating the possibilities such as the overlooking of entry information in a card, a ledger or the like and improve the quality of a rubber finished product.

The manufacturing control system for a rubber finished product comprises a bar code imparting means 2a which displays each of sets of kneading information in bar code per the kneaded rubber of each of kneading batches, based on an input on the kneading information for every kneading batch of raw material rubber, a memory part 1a which stores information on the vulcanization properties of the kneaded rubber for every kneading batch against the kneading information, an interpretation means 4a which interprets whether the use of the kneaded rubber is appropriate by the kneading information and the information on the vulcanization properties of the kneaded rubber which are read from the memory part 1a, based on the readings of the bar code provided for the kneaded rubber, when molding the kneaded rubber of a specific kneading batch, and means 4c, 4d for setting manufacturing conditions which automatically set vulcanization conditions for the kneaded rubber which is appropriate for use.