The invention discloses a fire alarm robot for transformer substations and inflammable places. The fire alarm robot comprises a transmission system, direct-current motor driving modules, flame sensors, smoke sensors, tracking modules, an ultrasonic module, an active buzzer module, a communication module, a single-chip microcomputer, a remote control module, a power source system and a fixing plate, wherein the direct-current motor driving modules, the flame sensors, the smoke sensors, the tracking modules, the ultrasonic module, the active buzzer module, the communication module, the remote control module and the power source system are connected with the single-chip microcomputer. The fire alarm robot has the advantages that accuracy and instantaneity of fire alarm are improved, detection blind zones are eliminated, time for fire alarm is shortened, fire damage is effectively reduced, manpower inspection tour is substituted and cost is reduced.