Abstract: From systems viewpoints, considering of every step for cow production, and with the guidance of the thought for building a new cow productive management of high yield, high quality, high efficiency and high sustainability, this paper for the first time presents and designs a milk cow productive management expert decision support system by using some modern technology such as management science, optimal design, computer technology, decision-making theory and others comprehensively. The successful exploit of this solftware promotes the development of cow farm electronicalization, provides an effective decision-making environment and decision-making support for modernized milk cow production management.