In this work, the institute of anticipatory decision-making is analyzed, the basis of this institute is shown through the right to autonomy and self-determination of the individual. The root of the word itself, the historical development of the institute and a comparative presentation of the Anglo-Saxon and continental European legal circles in this area are also explained. The institution of anticipated power of attorney and anticipated order is defined and explained, with a theoretical division into two basic types. Furthermore, anticipated decision-making according to the Family Law, anticipated decision-making for persons incapable of decision-making, and anticipated decision-making for patients are dealt with through three units. The role of a notary public is presented and the concept and institution of a notary act, the Register of anticipated orders and powers of attorney and solemnized documents are explained as well. At the end, the challenges that arise when regulating this institute are listed, while the advantages and disadvantages of the current system and possible ideas for progress in the use of this institute are listed in the conclusion.