The invention relates to an anti-theft remote alarming device of a transformer, comprising a signal acquisition circuit, a signal judging circuit and a remote alarming circuit, wherein the signal acquisition circuit is used for acquiring an anti-theft signal from a peripheral connection line at the upper end of a transformer main body and an output of the signal acquisition circuit is connected with the signal judging circuit; the output of the signal judging circuit is connected with the remote alarming circuit and the remote alarming circuit is used for transmitting the signal to an intelligent control center of a distribution network or a mobile phone of an electrician; when the transformer is stolen, the signal is acquired by the signal acquisition circuit to judge that the transformer is broken and stolen; the signal is immediately transmitted to an alarming emission circuit to carry out the remote alarming; after the alarming conditions are obtained, an operator on duty immediately reaches the scene as early as possible; the remote alarming device, which is used for safely and intelligently managing the transformer, is developed by an advanced electronic technology, thereby reducing accidents, improving power supply volume and increasing enterprise benefits and social benefits.