Abstract: “online real-time monitoring system of track scale working state” is an online real-time monitoring system of the working state of railroad track scale developed for normal and safe operation and unloading and transportation of coal in large amounts by railway for power plants and enterprises. This online real-time monitoring system is advanced, practical, and economical, and boasts high popularization and application value. The system adopts the automatic acquisition and monitoring technology developed based on the integration of Windows client software and multi-device monitoring hardware. It helps to achieve automatic and intelligent operation of the track scale equipment.