The application of disc Rhizopus propagation machine in the production of Rhizopus starter was studied. The production technical pa-rameters were determined as follows:5000 kg raw materials mixed with 150 kg yeast with the addition of 1600 L water, then the mixed raw ma-terials temperature kept at 28~31℃, and then static incubation in the disc lasted for 14~18 h at 28~31℃with the humidity of 70%~90%and room temperature between 28℃and 32℃, after the caking of hypha, starter turned over and static incubation continued for 18~20 h with product temperature maintained from 32℃ to 34℃and room humidity maintained from 60%~80%, as the temperature of the product dropped to 30℃, the incubation ended. The saccharifying power of the produced starter was 33.2g/100 g,1.4 g/100 g higher than that produced by shallow tray Rhizopus propagation machine.%研究了圆盘制曲机在根霉曲生产上的应用，确定了生产工艺参数：物料5000 kg，加水1600 L，加种曲150 kg，拌匀，入圆盘制曲机。入圆盘时物料品温28～31℃，静置培养14～18 h，室温维持在28～32℃之间，湿度维持在70%～90%，待菌丝结块后翻曲，继续通风培养18～20 h，品温维持在32～34℃之间，室内湿度维持在60%～80%，待品温降至30℃左右时结束培养，制得成品曲的糖化力为33.2 g/100 g，比浅盘培养根霉曲糖化力高1.4 g/100 g。
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