The invention provides an asset data searching method, which comprises the following steps: acquiring a first domain name and a first IP address corresponding to a unit name, and acquiring all sub-domain names and second IP addresses in a root domain as first asset data; obtaining a webpage title, a webpage snapshot and webpage main body content, and matching the webpage title with the unit name to obtain a first URL address and a third IP address as second asset data; matching the main body content of the webpage corresponding to the first URL address with the content of the webpage corresponding to the first domain name to obtain a second URL address and a fourth IP address as third asset data; extracting a trademark of a unit in the webpage corresponding to the domain name, and matchingthe trademark with the webpage snapshot corresponding to the first domain name to obtain a third URL address and a fifth IP address as fourth asset data; and matching the second asset data, the thirdasset data and the fourth asset data with the first asset data to obtain fifth asset data. According to the method, unit asset data can be searched more efficiently, accurately and comprehensively.