The hospital world is characterized by a great complexity, indeed the hospital, whose main mission is the production of care, is a field of interaction between medical knowledge, caregivers and administrative management.

In order to assimilate the evolution of hospital quality, a perspective of its history is required.

The history of hospital quality is marked by two main phases, according to E. Minvielle (Minvielle, 1999) these two phases are called: the professional administrative phase and the organizational phase.

Before going into more detail on quality history, we present definitions of hospital quality.