Route search method and apparatus, and routing device

Embodiments of the present disclosure disclose a route search method and apparatus, and a routing device. The method includes: obtaining a keyword; obtaining node data based on a pre-obtained storage address of the node data; determining, in the node data, data corresponding to the keyword; when the data is a storage address of next-level node data and a storage location of the next-level node data, obtaining a storage location of the node data; when the storage location of the node data is different from the storage location of the next-level node data, adding a search identifier, the storage address of the next-level node data, and a remaining part of the keyword to a frame header of a packet; and sending the packet having the frame header to a specified board corresponding to the storage location of the next-level node data.