Ventilation light well for underground building

The utility model discloses an underground building ventilation light well which comprises a frame, the frame comprises a rectangular frame at the bottom and a frustum frame at the top, light collecting plates are installed on the periphery of the frustum frame in an embedded mode, solar cells are installed on the top of the frustum frame in an embedded mode, and waterproof shutters are movably installed on the periphery of the rectangular frame. A driving device for driving the waterproof louver to rotate is arranged on the inner side of the rectangular frame; the daylighting panels are embedded in the periphery of the frustum frame, daylighting is conducted on an underground building through the daylighting panels on the periphery, the daylighting amount is increased, the daylighting effect is good, the solar cell arranged on the top provides electric energy for the driving device, and when the ventilation amount needs to be increased, the driving device opens the waterproof shutters arranged on the periphe