The introduction of the new information system usually does not indicate only the modernization of the current information system and technology, but rather a renovation and modernization of the whole operation, a change in thinking and often also a different work method, which means that companies need to change their business strategies completely. Thesis describes the operation and modules of the new PIS information system and its introduction to Lip Radomlje Company. There is also a more detailed description of the introduction of the material work and a special module called "Primery", developed especially for Lip Radomlje. During the course of the introduction, several key factors for success, such as the management support, the dedication of future users, suitable sources, an adequate amount of time to train the users, properly modernized business process and a capacity for change management, were observed. It was found that apart from the technical aspect of the introduction the psychological aspect is necessary to be taken into account as all changes significantly affect the employees, their activities and the need for new skills.