The invention discloses an indoor safety measure combination tool capable of marking and distinguishing dangerous areas. The indoor safety measure combination tool comprises a tool box and a safety warning assembly arranged in the tool box, the tool box comprises a box body and a box cover hinged to the box body, a strong magnet for adsorbing on transformer room equipment is arranged on the side surface of the box body, the safety warning assembly comprises a safety warning board and a safety warning belt, the safety warning belt is wound in the box body through an automatic rebound seat, openings corresponding to the safety warning belt are correspondingly formed in the left side wall and the right side wall of the box body, and press-type buckles are hinged to the openings in a matched mode. According to the indoor safety measure combination tool, the structure is simple, using is convenient and fast, function integration is high, safety and reliability are achieved, the working efficiency is also improved, and the labor intensity of operation and maintenance personnel is reduced.