Material retrieval method and device, electronic equipment and storage medium

The embodiment of the invention discloses a material retrieval method and device, electronic equipment and a storage medium, and the method comprises the steps: carrying out the word segmentation of search contents, and obtaining at least one entity word; searching at least one similar entity word similar to the at least one entity word by utilizing semantic similarity; in response to a first triggering operation of a user on any target similar entity word, searching at least one associated entity word related to the target similar entity word in a preset knowledge graph database; and in response to a second triggering operation of the user on any first associated entity word, obtaining the attribute of the first associated entity word in the knowledge graph database. By obtaining the attributes of the similar entity words, the problem that no content is returned when strict matching fails is avoided; and besides, the associated entity words and the attribute contents related to the similar entity words are o