The objective of the study is to strengthen studies on immunocontrol of mastitis in dairy cows.The paper has introduced the pathology,pathogenesis,immunity and prevention mechanism of mastitis in dairy cows as well as its vaccine categories and research advances.The pathogens of this disease are multiple non-specific pathogenic microorganisms,with unclear pathogenesis.The defense mechanism includes innate immune and specific immunity.If we adopt comprehensive control measures,we should pay attention to the ...