Based on the analysis of current status of material purchasing in SPMP, the paper dedicates to pursuing the strategies for a shift from stock purchasing to requisition purchasing, the external resource management, forging strategic cooperation partnership, and implementing timely purchasing. 分析上海港机重工有限公司原材料采购的现状,找出目前存在的问题,探讨从为库存采购到为订单、需求采购及外部资源管理的转变,实施战略协作伙伴关系和准时制采购的对策。