The utility model relates to an anti-theft remote alarm device for a 10 kV transformer, which comprises a signal acquisition circuit, a signal judgment circuit and a remote alarm circuit, wherein the signal acquisition circuit acquires a theft signal from a peripheral connecting line at the upper end of a transformer body, output of the signal acquisition circuit is connected with the signal judgment circuit, the output of the signal judgment circuit is connected with the remote alarm circuit, and the remote alarm circuit sends the signal to a distribution network intelligent control center or a mobile phone of an electrician; When the 10 kV transformer is stolen, the signal acquisition circuit acquires the signal, the signal judgment circuit judges that the transformer is stolen and damaged, and immediately transmits the signal to an alarm transmitting circuit for remote alarm, and an operator on duty goes to the spot and undertakes handling instantly after obtaining the alarming results; and the remote alarm device is developed by utilizing advanced electronic technology and used for the safe and intelligent management of the 10 kV transformer, thus reducing accidents, improving power supply volume and increasing enterprise and social benefits.