For neuraltherapeutic medicine, the axis where the doctor–patient relationship, the clinical practice, and the necessary data for the therapeutic act are cemented is the patient’s life history (LH). In the LH, as in literature, the author decides as they remembers, as they feels affected, through a personal narrative. Life history is so relevant that this chapter describes the differentiating items it has with respect to the conventional medical history or other approaches of current medical systems. In this chapter, crucial aspects that characterize it are listed, without it becoming a protocol or guide to follow, since freedom, individuality, and heterogeneity are what Neuraltherapeutic medicine represents.