Driven by the wave of Industry 4.0 and smart manufacturing, the efficiency and accuracy of industrial field data collection directly determine the intelligence level of enterprise production management. As mobile terminal devices specifically designed for industrial scenarios, industrial PDAs integrate optimized hardware and collaborative software capabilities, becoming the critical link between physical production and digital systems. This article deeply analyzes the functional value of industrial field data collection PDA terminals from five core dimensions: data collection, communication transmission, environmental adaptability, operating experience, and data management.