The paper deals 'with business process based on the IS/ICT (information systems, information and communication technology) applications, mainly ERP (Enterprise Resource Planning) and APS (Advanced Planning and Scheduling) software packages, process and constraint management. The analysis of the current ERP and APS offer in the Czech market is presented. The secondpart of the paper deals 'with the principles of the innovation of IS/ICT in enterprise and with the approaches to the its effectiveness