The aim of this study is to analise barriers and facilitators in substituting hospital care with primary care to define preconditions for successful implementation.  So this study was part of a mixed methods study on the feasibility of the Primary Care Plus intervention which was conducted at the pioneer site Blue Care. In this descriptive study, they applied a qualitive design. Data regarding process information was collected through interviews with involved general practitioners and medical specialists and through notes from all meetings with various working groups to identify barriers and facilitators and proposed solutions in order to formulate preconditions for Primary Care Plus.