Abstract: Fuel cost is the main cost of thermal power generation. In order to help enterprises improve quality and efficiency, maximize the proportion of low-price, high-calorific value coal and low-price, low-calorific value coal blending, and reduce power generation costs, the company strengthens coal field management, scientific blending, and adopts modern means to achieve the ultimate goal of stable boiler operation, environmental protection standards and emissions, and the decline of factory standard orders.