The utility model provides an electric energy meter with power failure alarming function, including the casing, set up recess on the casing, set up two incoming wire terminal and two terminal outgoing lines on the casing, and set up the controller in the casing, be equipped with magnet in the recess, two incoming wire terminal respectively through the inlet wire cable with the input of controller links to each other, two terminal outgoing lines respectively through be qualified for the next round of competitions the cable with the output of controller links to each other, it has current transformer to establish ties on the arbitrary inlet wire cable, and this current transformer connects the controller, the controller still link and have the memory, be used for importing the digital button module of corresponding cell -phone number and be used for sending the GPRS module of warning SMS to the corresponding cell -phone number of the aforesaid input, still be equipped with a stand -by power supply in the casing. The utility model discloses can not only send power failure warning SMS to corresponding cell -phone number, the user of still being convenient for independently changes the cell -phone number that is used for receiving corresponding power failure warning SMS, uses in a flexible way.