Boron neutron capture therapy positioning system

The utility model relates to a boron neutron capture therapy positioning system, which comprises a positioning part and a positioning part, the positioning part comprises a first group of lasers, a radiation source simulator and a first calibration device, and four first alignment lasers of the first group of lasers are respectively arranged in front of, on the left side, on the right side and on the vertical upper side of the first calibration device; and the positioning part comprises a second group of lasers, a treatment room collimator and a second calibration device, and four second alignment lasers of the second group of lasers are respectively arranged in front of, on the left side, on the right side and on the vertical upper side of a calibration block on the second calibration device. According to the utility model, the positioning part and the positioning part which are consistent in positioning are arranged, so that a patient can make preparation in advance at the positioning part before boron neut