Establish a perfect quality inspection system and carry out strict inspection for each link in the production process. For unqualified products, timely treatment should be carried out to ensure the quality of products leaving the factory. Through the analysis of product quality data, find out the existing problems and shortcomings, and develop corresponding improvement measures. At the same time, strengthen staff training, improve staff quality awareness and skill level. Use modern information technology means to achieve information management of the production process. Through the establishment of production management system, real-time collection, analysis and decision-making support of production data to improve the level of production management. These are all ways to improve the life of feed pellet production line.