The invention discloses a relay for a smart electric meter and the smart electric meter. The relay comprises a shell, a control red line, a control black line, a trigger coil, a rotating unit, a rotor plate unit, a stator plate unit, a first electromagnetic coil, a first fixing element, a second electromagnetic coil and a second fixing element. Through the arrangement of the electromagnetic coils and the fixing elements, the relay can still be kept in a stable switch-on or switch-off state after drive current is ended.