Abstract: The melting rate control of ESR furnace as a process technology was developed via introducing the coaxial high-current cables, weighing system and intelligent control, and it has been applied in production. The problems of poor-quality crystals inside remelted ingot and that the feeding process cannot be performed exactly because the melting rate is impossibly controlled exactly in conventional ESR furnace are therefore solved. The results showed that the melting rate of electroslag can be readjusted continuously in the range from 5 kg/min to 20 kg/min in actual production, and the power consumption &le1340 (kW · h)/t in remelting a 20 t ingot. Comparing the quality check data of MC5 remelted ingots prepared with either melting rate control or decreasing power, it was shown that the segregation of ingot is reduced with decreased carbide precipitates in the ingot, thus producing high-quality surface and implementing the fully automatic process of production. In this way we get rid of the imported equipment on which the domestic melting rate control system for ESR furnace relies and give impetus to the development of melting rate control for ESR.