This paper analyzes the mechanism between manufacturing industry and producer service industry, constructs the evaluation index system of manufacturing industry and producer service industry from four aspects of industrial scale, economic benefit, production efficiency and growth potential, and uses the coupling coordination model to calculate the coordinated development of manufacturing industry and producer service industry in Western Shaanxi Province in 2009—2018. The results show that from 2009 to 2013, the comprehensive development index of manufacturing industry in Shaanxi Province is higher than that of producer service industry. From 2013 to 2018, the comprehensive development index of producer service industry is higher than that of manufacturing industry. From 2009 to 2018, the manufacturing industry and producer service industry in Shaanxi Province are moving from maladjustment to coordination. Finally, countermeasures and suggestions are put forward to promote the coordinated development of manufacturing industry and producer service industry in Shaanxi Province.