File collection method, device and system

The invention discloses a file collection method, device and system.The method is executed by a client side of the file collection system.The method comprises the steps that a configuration file collection task is obtained, and the configuration file collection task comprises the address of a target server; generating a configuration file collection request according to the configuration file collection task, wherein the configuration file collection request carries first file summary information; sending the configuration file acquisition request to a target server; and determining a configuration file acquisition result according to a response result of the target server to the configuration file acquisition request. According to the file collection method, the target server is accessed in the mode that the client side of the file collection system initiates the configuration file collection request, the invasion degree of the target server is small, the configuration file collection safety is improved, the