To quickly grasp a progress status of a business flow and accelerate a smooth processing of the business flow.

The business management system 1 comprises; an information registration means 2 which registers essential registration information to an essential registration information item defined in advance to each stage along the flow of a business flow; a progress state management means 3 which manages a progress state of the business flow on the basis of the registration status of the essential registration information; and a progress status transmission means 4 to transmit the progress status to a transmission destination set up beforehand to the progress status stage and/or essential registration information. The progress status is grasped quickly and acceleration of smooth processing of the business flow is achieved by managing the business progress status and transmitting the progress status to the relevant transmission destination according to a change of the progress status.