Fixing device for thoracic/abdominal cavity exposure animal experiment

The utility model belongs to the technical field of animal experiments, and particularly relates to a chest/abdominal cavity exposed fixing device for animal experiments, which comprises a bottom plate, a head and neck fixing part and four limb fixing parts are arranged on the bottom plate, the head and neck fixing part is positioned at one end of the bottom plate for placing the head of an experimental animal, and elastic parts are slidably arranged on two sides of the bottom plate. The elastic pieces are arranged on the bottom plate, the sliding path of the elastic pieces on the bottom plate is from one end, used for placing the head of an experimental animal, of the bottom plate to one end, used for placing the tail of the experimental animal, of the bottom plate, the tail ends of the elastic pieces face the middle of the bottom plate, and traction hooks are arranged at the tail ends of the elastic pieces. The device is convenient for experimenters to carry out thoracic/abdominal cavity surgery operation u