The thesis Relation to the nature in the literature and life of S. Francis form Assisi and by his followers deals with relation between St. Francis from Assisi and nature. There is analysis of the historic roots and secondary literature. In this part is a consist of historic of the Francis monastic order too. In the practice part of the thesis is the sociological research to the present life style of the Francis monastic order. The research has been done by conversations with the representatives of the branches of the Francis monastic order. The branches are called: františkáni, kapucíni, minorité and klarisky. This conversations are in the supplement of the thesis. Under the information I obtained it can be said that relation between St. Francis from Assisi and nature is based on the personal spiritual development and perception of the God as father of the Creation the whole world. Today the nature does not have the main sense in the Francis monistic order, but they recognize the sense of nature by St. Francis from Assisi.