Antigen expanding culture device

The utility model provides an antigen expanding culture device, which relates to the technical field of microbial antigen preparation, and comprises an expanding culture box, a box door is arranged on the expanding culture box, a culture cavity and a reagent storage cavity are arranged in the expanding culture box, the culture cavity and the reagent storage cavity are separated by a partition plate, a door assembly is arranged in the partition plate, and the door assembly is connected with the box door. A porous culture plate is arranged in the reagent storage cavity, an electric pipettor is arranged in the reagent storage cavity, a heating assembly is arranged in the culture cavity, through the arrangement of the electric pipettor, operation of extracting a culture medium in the porous culture plate and adding a needed reagent can be automatically achieved, and therefore automatic operation is achieved; the electric pipettor and the porous culture plate are arranged in different cavities, errors caused by ma