Diabetes is a very representative model of chronic disease requiring a partnership between various healthcare professionals. The organisation of healthcare networks allows a global care improvement. For the "Midi-Pyrénées" area, the diabetes network associates physicians and other healthcare professionals, working in their private - practice or in clinics or hospitals. The priority of this network was to develop therapeutic patient education, outdoors and indoors. The use of a specific communication system will be unavoidable, as a basis for medical files, evaluation, and permanent updates for the network members. Current projects concern a regional organization for chronic foot ulcers care, coronary heart disease and diabetes during pregnancy. These various care domains suppose the collaboration with other regional networks.