The invention belongs to the technical field of tools and hardware and relates to a portable safety hammer comprising a tip, a body, a handle sliding post, a telescopic handle, finger grooves, a handle cavity, a carrier ring, bag cord grooves, a ring stem, a hollow handle segment, a solid handle segment shaft, a solid handle segment, a stop button, a stop button slide, a stop button fixing groove, a hollow handle segment cavity, a hollow handle segment wall, a stop button head, a stop button cavity top hole, a stop button cavity top, a stop button head seat, a stop button spring, a stop button wall, and a stop button cavity. The portable safety hammer is characterized in that the tip is a taper tip part of one end of the portable safety hammer, the body is cylindrical with diameter of 1-5cm and is a main part of the portable safety hammer, the top of the body is provided with one row of bag cord grooves, the other side, opposite to the bag cord grooves, is provided with one row of finger grooves, the center of the body is provided with the handle cavity used for accommodating the telescopic handle, one end of the body is provided with the tip, and the other end of the body is connected with the carrier ring through the ring stem. The portable safety hammer is simple to produce, versatile, highly operable, low in cost, and significantly effective.