This paper aims to point out the necessity and feasibility of the construction of the agricultural manufacturing industrial clusters’ knowledge service platform based on the prior research of clusters’ knowledge service platforms. And then the knowledge service platform of Shandong province has been illustrated as an instance to analyze the current situation of industrial development, the construction and operation aspect of the knowledge service platform. This paper presents several basic recommendations such as the alliance development, professional development, diversified development, sharing development and coordinated development to optimize agricultural machinery manufacturing cluster knowledge service platform, so as to improve the overall level of the knowledge service platform as well as promote the transformation and the upgrade of the agricultural machinery manufacturing industry.