To allow a business form processing system to use an accurate business form knowledge when there are a great deal of handling business form types, and also prevent the decrease of accuracy in the business form processing even if a printing person and printing time are different in the same business form type.

In the business form printing, a variety of business form knowledge with respect to the business form such as the business form types, processing method and a format is held on the business form to extract and use the business form knowledge in the business form processing. Also, in the business form pre-printing, the business form knowledge with respect to the business form types is held on the business form space. In the business form contents printing, the business form knowledge being held beforehand on the space of the business form printed in the business form pre-printing is extracted and the business form contents are printed according to the business form knowledge.