The author briefly characterizes the general economical and political conditions in Western Europe that influenced integration of relations between the economic sphere and environment preservation. All this has led to issuing of the Council Regulation (EEC) No 1836/93 and to the elaboration of ISO 14000 standard series. Then he presents some of basic questions answering of which is a part of decision and preparation to the implementation of EMS, as well as the most important elements of these systems. At the end he presents the scheme of ISO 14000 standard series.