The invention relates to the field of model training, in particular to a multi-
modal target detection model training method and
system, and the method comprises the steps: obtaining pseudo-
annotation data associated with a target detection demand, and carrying out the pre-training of a target detection base model; based on a preset
open source training
data set, performing supervision
fine tuning training on the pre-trained target detection base model; based on private data associated with a target detection demand, performing increment
fine tuning training on the target detection base model subjected to supervision
fine tuning training; and performing visual prompt training on the target detection base model subjected to increment fine tuning training to obtain a multi-
modal target detection model. According to the technical scheme provided by the invention, training can be carried out based on
multiple stages, multi-source training data is coordinated, the basic detection and recognition capability of the target detection model can be expanded by utilizing pseudo-
label data with a large amount of
noise, recognition enhancement and improvement of specific target categories by utilizing private data can be supported, and the method has a promotable value.