The invention discloses a man-machine correspondence method and device for assets management, which relate to the field of assets management in the Internet technology. The method comprises the following steps of: monitoring all network communication messages by using a network sniffing program, acquiring Internet protocol (IP) addresses and account number information contained in a hypertext transport protocol (http) message and resolving the corresponding relation between the account number information and the IP addresses so as to obtain sequence pairs of the account number information andthe IP address; acquiring the IP address, a media access control (MAC) address and a host computer name of an online host computer; and performing IP association processing on the resolved corresponding relation between the resolved account number information and the IP addresses as well as the acquired IP address, the MAC address and the host computer name of the online host computer to obtain complete man-machine correspondence information for realizing man-machine correspondence. The invention has the advantages of easiness for deployment, convenience for implementation, workload reductionand comprehension and high accuracy for acquiring asset properties.