Abstract: Starting from the overall requirements of railway enterprise network security management at the current stage and in response to the main problems in enterprise network security management, China Railway Lanzhou Bureau Group Co., Ltd. (referred to as Lanzhou Bureau) has been carrying out the establishment of a normalized management mechanism for railway network security since 2019. Through establishing and improving enterprise network security management regulations, strengthening network security education, training and promotion, conducting regular network security inspections and assessments, strengthening the construction of network security protection technology capabilities, a stable overall situation of enterprise network security has achieved.