Sound-absorbing and heat-insulating blockboard

The utility model discloses a sound-absorbing and heat-insulating blockboard. Decorative sheet comprising a first core-board, the bottom of the first core-board decorative plate is fixedly connected with a fixed rod; the number of the fixing rods is seven, a circle of sound absorption holes are formed in the outer side of each fixing rod, a second core-board decorating plate is attached to the bottom of each fixing rod, inserting grooves are formed in the top of each second core-board decorating plate, the number of the inserting grooves is seven, and the inserting grooves are connected to thebottoms of the fixing rods in an inserted mode. According to the utility model, the fixing rod on the first core-board decorative board and the sound absorption holes in the fixing rod are arranged;the first core-board decorative board can be inserted into the second core-board decorative board to be fixed through the fixing rod; the fixing rods are provided with the multiple sound absorption holes, sound can be absorbed