Fan adjusting system and method of brushless fan controller

The invention provides a fan adjusting system of a brushless fan controller, which comprises a controller shell, the controller shell is mounted on a controller mounting seat, the controller shell is internally provided with a fan controller, the fan controller comprises a control circuit board, the control circuit board is provided with a control integrated circuit, and the control integrated circuit is connected with the controller mounting seat. A power supply interface and a control interface are arranged on the control circuit board on one side of the control integrated circuit, the control integrated circuit comprises a single-chip microcomputer, and by analyzing and collecting surrounding environment signals, the wind speed changes intelligently along with the room temperature. And when the room temperature is reduced, the wind speed is automatically reduced to a corresponding comfortable gear. Human body infrared automatic detection and voice intelligent control enable people to get rid of a tedious s