This article is devoted to the research of the historical origin of the patient’s will institute from ancient times to nowadays, thus substantiating the necessity for the civil law’s protection of patient’s will. The expressions of the increasing or decreasing significance of patient’s will, their causes and legal consequences in the specific period of time reflect the nuances of patient’s will and their development when patient’s will as a complex institute is being formed. In general the development spiral of patient's will legal recognition was characterized in the historical development of patient's will institute