The utility model belongs to the technical field of novel inorganic non-metallic material production equipment, and in particular relates to a constant-temperature basalt continuous fiber electric melting furnace. The constant-temperature basalt continuous fiber electric melting furnace comprises a furnace body and a furnace cover matched with the furnace body, wherein a feed opening is formed in the front wall of the furnace body; a heating component is arranged on the side wall which is connected with the front wall of the furnace body; a middle baffle wall of which two ends are respectively connected with the inner sides of two side walls is additionally arranged at the inner part of the furnace body; the inner part of the furnace body is divided into two parts namely a material composting pool and a material forming pool by the middle baffle wall; a central liquid fetching opening which ensures that the material composting pool is communicated with the material forming pool is formed in the middle baffle wall; the material forming pool is far from the feed opening, and a liquid flowing hole molded by drawing is formed in the bottom of the material forming pool. The constant-temperature basalt continuous fiber electric melting furnace disclosed by the utility model has the advantages of reasonable structure, full dissolution, no impurities and no air bubbles, and can ensure that materials are gradually dissolved, homogenized and fully clarified in a kiln, so that a pure basalt melt can be obtained; meanwhile, the quality and yield of products can be effectively increased, and the energy consumption can be reduced.