A latter half part of 1990s, our hospital adopted home parenteral nutrition (HPN) medical treatment at home. In addition, there were 245 patients (inpatient-103, outpatient-142) who took HPN. One prescription has 2 items for mixture preparation of the injection drug, which is held about 60% of discharge patients. It's been holding a workshop for participating home medical care and the community medicine cooperation system since 2007. We had a total of 162 patients since then. The most interested and popular program is mixture preparation of the injection drug. Our hospital is authorized as an acute DPC hospital, so that it's very important to develop a home medical care and work on enlightenment for the community medicine cooperation system.