Calibration system of particulate matter concentration monitoring device

The invention discloses a calibration system of a particulate matter concentration monitoring device, the calibration system comprises a particulate matter generating device, a containing device, a particulate matter concentration monitoring device, a calibration device and a collection device, the particulate matter generating device is used for generating particulate matters, so that the containing device generates particulate matter gas, and the collection device is used for collecting the particulate matter gas; the particulate matter concentration monitoring device is used for acquiring a light scattering energy value of particulate matter gas, the calibration device is rotatably arranged on the particulate matter concentration monitoring device at least partially, the calibration device is used for adjusting the light scattering energy value, and the particulate matter concentration monitoring device comprises a light source module, a shell, a detection module and a processing module; the light source m