Stability of manufacturing process is the basic for the company to guarantee the produce quality. In view of the lack of systematic and comprehensive quantitative analysis tools in the past process management, a multi-index quantitative evaluation system for manufacturing process is established. The influence factors on manufacturing process are analyzed and evaluated, and the calculation steps of process factor expectation index and manufacturing process expectation index are given based on the hesitant fuzzy theory and multi criteria decision making method. The production state of manufacturing process is expressed quantitatively by the rating scale. Case analysis shows that the method can help managers to evaluate the manufacturing process status intuitively and effectively, and provide more dimensional management data for enterprises in digital production construction.