The utility model discloses a transformer substation safe region locating system based on an ultra-wideband technology. The transformer substation safe region locating system comprises an infrared imaging camera (1), a visible light camera (2), ultra-wideband locating equipment (3), a router (4), an exchange board (5), a server (6) and a monitoring terminal (7); the transformer substation safe region locating system has a connection structure as follows: the infrared imaging camera (1), the visible light camera (2) and the ultra-wideband locating equipment (3) are respectively connected with the router (4); and the router (4) is respectively connected with the server (6) and the monitoring terminal (7) through the exchange board (5). The transformer substation safe region locating system has the beneficial effects that automatic infrared detecting equipment ensures that operating personnel accurately judge the operation state and the health state of field equipment; an infrared imaging monitoring transformer substation region, an automatic image tracking and recognizing technology, an automatic alarm technology and other technologies have important significance on the aspects of ensuring the personnel safety, reducing accidents and the like.