| With?the?high-quality?development?of?China''s?economy?and?the?rapid?development?of?science?and?technology,?the?people''s?living?standards?have?been?greatly?improved,?and?the?demand?for?animal?products?has?increased?steadily.?Cattle?and?sheep?industry?is?the?pillar?industry?of?animal?husbandry?in?China,?the?miscarriage?of?cows?and?ewes?in?the?process?of?cattle?and?sheep?breeding?will?bring?serious?economic?losses?to?enterprises?and?farmers,?and?the?abortion?of?cattle?and?sheep?is?the?result?of?many?reasons.?This?paper?analyzes?the?management?factors,?nutrition?factors,?feeding?factors?and?disease?factors,?and?puts?forward?some?measures?to?prevent?abortion?in?cattle?and?sheep,?in?order?to?further?improve?the?reproductive?performance?of?cattle?and?sheep?and?promote?the?healthy?development?of?cattle?and?sheep?industry. |