With the acceleration of the development of the new generation of B2B e-commerce, the value effects of purchasing, design, production and marketing that enterprises continue to cultivate are gradually emerging. Procurement brings significant value benefits to various enterprises, and has short-term quick win opportunities. The procurement cost optimization of MRO category based on e-commerce can reach 10%-20%, and the procurement efficiency improvement and personnel optimization using digital management can reach 30%-50%; In addition, SMEs can also use the e-commerce platform to obtain authentic channels to ensure quality. Marketing value is most helpful to small and medium-sized enterprises, which can achieve 10%- 15% or even higher sales growth, giving them the first chance to build their own brand power. It also has the function of channel sinking and coverage supplement for large enterprises. Even for enterprises with complete offline channels, the additional increment can reach 5% of the total sales. The value of design and production is driven by consumers, which has begun to appear, and it is expected to provide greater help for enterprises in the long run. However, the flexibility of production and procurement and the change of innovation mechanism needed to fully realize the design and production value require long-term planning of enterprises.