The existence of cabinet in parliamentary systems of government depends on the parliament, which appoints and dismiss cabinet. Aim of the article is comparative analyze of cabinet appointment method in 11 post-communist countries of central and eastern Europe, which are members of European Union, based on constitutional provisions. Research question is whether constitution leave the presidents, who formally nominate the governments, the possibility of real influence on the cast of prime minister post. As a result, I position constitutions on a two dimension scale in which the ends are countries in which the president in principle has no possibility appoint the cabinet against the will of the parliamentary majority (the Czech Republic, Bulgaria, Estonia, Poland and Slovenia) and countries where the constitution formally leaves the President ability to influence the composition of the government (Lithuania, Hungary and Slovakia). Other countries (Croatia, Romania, Latvia) are in between these extremes.