The invention discloses an underground intelligent light guide and ventilation pipeline system. The underground intelligent light guide and ventilation pipeline system comprises a light collector, a rainproof plate, a vent pipe, a light guide pipe and a diffuser; the vent pipe is arranged outside the light guide pipe in a sleeved mode, and the light collector with a hemispheric structure is arranged at one end of the light guide pipe; the other end of the light guide pipe is provided with the diffuser, one end of the vent pipe is provided with the rainproof plate, the rain-proof plate is arranged at the tail end of the light collector in a sleeved mode, a partition plate is arranged between the vent pipe and the light guide pipe, the interior of the vent pipe is divided into two ventilating pipelines through the partition plate, and the two ends of each ventilating pipeline are provided with a ventilation opening respectively; an exhaust fan is arranged in a ventilation pipeline, and an air blower is arranged in the other ventilating pipeline; and an air filter screen is arranged on the ventilation opening. According to the underground intelligent light guide and ventilation pipeline system, natural light is effectively utilized, green illumination is realized, energy can be saved, the environment can be protected, the illumination quality can be improved, according to the illumination angle, the orientation of the light collector is adjusted, ventilation can be realized, the indoor air quality is improved, and the use effect is good.