The utility model discloses a multi-wire saw mortar storage tank with an ultrasonic generator, which belongs to the technical field of multi-wire saws. The multi-wire saw mortar storage tank is capable of processing mortar at the time of production, effectively reducing the bubble amount in the mortar and improving the phenomenon of particles reaggregation. The multi-wire saw mortar storage tank comprises a casing, a mixer and a stuff pump. The utility model is characterized in that the mixer and the stuff pump are arranged in the casing; 1-3 ultrasonic generators are arranged in the casing; the ultrasonic generator is an ultrasonic rod. The multi-wire saw mortar storage tank is applied in the technical field of processing devices in the using process of mortar.