In order to recognize the infection status of pseudorabies wild virus in scaled swine farms in Zhengzhou City of Henan Province in 2018，gE antibodies were tested by ELISIA towards 36 different scaled farms under fixed-point monitoring that were immunized with gE-deleted vaccines. During the period from January to December of 2018，a total of 1 057 serum samples were detected，involving 27 positive farms with the positive rate of 75.0%（27/36）；309 positive samples were detected with the positive rate of 29.2%（309/ 1 057）. Results showed that the spread of pseudorabies wild virus in Zhengzhou City had a large range，the prevalence rate was high，and the outbreak risk was high. The positive rate of gE antibody（69.8%）in the farms with 500 pigs or less was 3.65 times higher than that of the scaled farms（19.1%）with more than 3 000 pigs，which indicated that the smaller the farm was，the greater the risk of pseudorabies wild virus infection became. The gE-positive samples were tested by fluorescent PCR，and 32 positive samples were detected with the detection rate of 35.6%（32/90），which indicated that the phenomenon of virus carried or expelled by infected pigs was serious. Therefore，it was recommended that immunization with gE-deleted vaccines and gE antibody detection should be strengthened in large-scale swine farms to weed out the positive pigs in time，meanwhile，porcine pseudorabies would be gradually controlled and purified by comprehensive technologies，including isolation and disinfection.