Question and answer method and device based on large language model, electronic equipment and storage medium

The invention provides a question answering method and device based on a large language model, electronic equipment and a storage medium, and belongs to the technical field of natural language process.The method comprises the steps that non-text information in multi-mode question information to be answered is converted into corresponding second text information; respectively retrieving a first text result matched with the first text information in the to-be-replied multi-mode question information and a second text result matched with the second text information from the target text library; the target text library is constructed based on the first text information and the second text information; and determining reply information corresponding to the to-be-replied multi-modal question information by using a preset large language model based on the first text information, the first text result and the second text result. According to the method, efficient and accurate answering of multi-modal question informat