Article is devoted to research philosophical views of S.N.Bulgakov. Questions of formation of weltanschauung of Bulgakov through a prism of inconsistent events in his life and philosophical researches in his creative work became an analysis subject. They are especially interesting now when ample opportunities of a choice of philosophical ideas, religious faiths and ordinary views are given for the person. His optimism and integrity of humanistic maintenance of all his life is attractive to spiritual formation of the person.