Abstract: With the development of intensive cultivation on cattle, the high-concentrated feed has been used more and more widely. It has improved the bovine performance trait and caused some nutrition metabolic diseases, especially ruminal acidosis’s occurrence, which has resulted in enormously economic losses. The pathogenesis and prevention of ruminal acidosis are discussed systematically in this article in order to provide theoretical instruction for preventing the occurrence of this disease.

Key words: cattle; ruminal acidosis; pathogenesis; prevention