Abstract: To meet needs of emerging engineering construction and explore innovative teaching methods, a saline-alkali land conditioner dispensing system based on digital twin technology has been integrated into practical teaching of agricultural mechanization and automation majors．System integrated digital twin technology deeply to conduct digital models and simulation of saline-alkali land environments, conditioner dispensing device and operation process, to achieve precise simulation and intelligent control throughout entire conditioner dispensing process．By using digital twin model, students could intuitively grasp operating principles, structural compositions, and operation process, applying theoretical knowledge to practical scenarios, to enhance their engineering practice, innovative thinking, and teamwork abilities．Meanwhile, cutting-edge technologies such as digital twins and intelligent control have broadened students' professional horizons, helping them adapt to intelligent and digital development trends in agricultural engineering, and providing valuable reference for cultivating emerging engineering talent in agriculture-related professionals．