Energy-saving ventilation structure of green building

The utility model discloses a green building energy-saving ventilation structure which comprises a base body, a ventilation opening, an activated carbon net, a sieve plate and a fastener, the ventilation opening is formed in the base body, a structure main body is fixed to the surface of the base body on the outer side of the ventilation opening through a fixing screw, and a dismounting pin base is installed on the inner wall of one side of the structure main body. A quantity adjusting frame is installed on the inner wall of the structure body on one side of the activated carbon net, rectangular sliding grooves are formed in the outer walls of the two sides of the quantity adjusting frame, quantity adjusting roller shafts are hinged to the inner side walls between the adjacent rectangularsliding grooves at equal intervals, and quantity adjusting pieces are fixed to the two ends of each quantity adjusting roller shaft. And a filter plate is arranged in the structural main body on one side of the quantity adjus