Our research analyzes the defining characteristics of a different theatrical format, which emerged in Chile after the end of the War of the Pacific, parallel to the working-class circuits and aristocratic groups Almost imperceptible in its time, without being subject to commercial pressures or the approval of critics, it should be taken into account both in its testimonial connotation as well as its contribution to the renewal of the national performing arts These were expressed in the display of new techniques of representation, and particularly, in a deep innovation, laying the groundwork for the subsequent development of the Chilean Social Theatre