The invention relates to a distributed photovoltaic generation generating capacity intelligent measuring and calculating system. The system comprises a solar panel group, a support frame, an inverter, a solar tracking apparatus, a temperature sensor, an illumination sensor, a wind speed and wind direction sensor, an angle sensor, a humidity sensor, a PM2.5 sensor, a data processing circuit, a data storage circuit, a communication circuit, a driving circuit, a control keyboard and a display, wherein the solar panel group is installed on the support frame, the support frame is installed at the roof of a building, and the solar tracking apparatus, the temperature sensor, the illumination sensor, the wind speed and wind direction sensor, the angle sensor, the humidity sensor and the PM2.5 sensor are all installed on the support frame. According to the invention, the system has the following advantages: on one hand, the filed adaptation capability is high and the application is flexible and convenient, and on the other hand, multiple natural factors affecting the generating efficiency of a solar panel and the generating operation state of the solar panel can be synchronously acquired.