Ventilation system air distributor with noise elimination function

The invention discloses a ventilation system air distributor with a noise elimination function. The ventilation system air distributor comprises an air inlet pipe, an air inlet adjusting mechanism, an air inlet module, a connecting module, an exhaust module and an exhaust pipe. The outer wall of the air inlet module and the outer wall of the exhaust module are each internally coated with a hard coating, the hard coatings are covered with a sound absorption material, and the sound absorption material is covered with a fixing plate. A connecting cavity is formed in the middle of the connecting module, a hard coating is coated in the outer wall of the connecting module, a plurality of connecting cavity perforated pipes are reserved in the connecting cavity, and sound absorption materials are filled between the connecting cavity perforated pipes and the outer wall of the connecting cavity; airflow flows into a connecting cavity perforated pipe for connecting the air inlet cavity and the exhaust cavity from the ai