Vegetable disease and insect pest picture question and answer method and device

The invention relates to a vegetable disease and insect pest picture question-answering method and device. The method comprises the following steps: acquiring a data set related to vegetable disease and insect pests; using the data set to train a vegetable disease and insect pest picture question and answer model to obtain a trained vegetable disease and insect pest picture question and answer model, an output vector of the vegetable disease and insect pest picture question and answer model is obtained after text features of disease and insect pest symptom description texts, related agricultural vegetable knowledge information and channel dimension features and spatial dimension features of vegetable symptom pictures are mixed; channel dimension features and spatial dimension features of the vegetable symptom pictures are obtained by adopting an attention mechanism; and processing input to-be-identified data through the trained vegetable disease and insect pest picture question and answer model to obtain a ve