The utility model provides a multiple-ingot casting structure. The multiple-ingot casting structure comprises a crystallizer, a distribution plate and heat preservation caps. The crystallizer is provided with a plurality of ingot cavities and can cast multiple ingots at the same time. The distribution plate is used for distributing melt into all the ingot cavities of the crystallizer. The heat preservation caps are used for protecting melt inside the distribution plate or at a runner against condensation and blockage. The crystallizer further comprises a connection hole in the center of the crystallizer and a plurality of supporting beams connected between the connection hole and the ingot cavities. The distribution plate comprises a fluid collection ladle and a plurality of distribution nozzles arranged on the outer surface of the fluid collection ladle and used for distributing the melt inside the fluid collection ladle to the ingot cavities of the crystallizer. Each heat preservation cap comprises a heat preservation cap body, a heat preservation cap gland, a heat preservation cap pressure pad and a pressure pad heater. The multiple-ingot casting structure can cast 6-8 ingots at the same time, effectively improve ingot production efficiency, shorten ingot casting time, and save a lot of manpower, electricity and material resources correspondingly, thereby lowering production cost.