Disclosed is a rescue robot for searching trapped persons for firefighting, including a mobile base. Mobile rollers with self-locking mechanisms are mounted at a bottom of the mobile base, a machine mounting seat is fixed to the mobile base, a rotating column is arranged at the top of the machine mounting seat, a driving motor is mounted at a bottom of an inner cavity of the machine mounting seat, a right output end of the driving motor is sleeved with a driving bevel gear, a bottom of the rotating column penetrates through a top of the machine mounting seat and is sleeved with a driven bevel gear, the driving bevel gear and the driven bevel gear are mutually meshed, a portion of an outer wall of the rotating column is fixedly sleeved with a fixed seat, left and right sides of the fixed seat are symmetrical bridge cranes.