The thesis focuses on the economy of the Cistercian Order, from its inception until the end of the 13th century. There are two parallel analysis of monasteries Obazine (France) and Plasy (Bohemia), which are compared in the final part of the research. First the study present foundation of monasteries in the historical context of the country and the region. Then he focuses on the process of acquiring property and attempts to reveal common and different features in the economic development of the courts and farming. The work may present the real situation only to the extent that it allows the historical sources. The main historical source is cartulary of Obazine and documents of Plasy from Codex diplomaticus et epistolaris regni Bohemiae. In addition, the study draws information from various foreign and czech literature.