The utility model discloses a sound-proof door and window capable of being installed quickly. The sound-proof door and window comprises a frame and a door and window frame. The frame comprises vertical beams, cross beams, mounting grooves, guide columns and positioning holes, the mounting grooves are formed in the upper ends and the lower ends of the opposite inner side faces of the two transverse adjacent vertical beams, the cross beams are inserted between the two transverse adjacent mounting grooves, the positioning holes are formed in the left side face and the right side face of each cross beam, and the guide columns are arranged on the opposite inner side walls of the two transverse adjacent mounting grooves; the guide columns are all connected with the transversely adjacent positioning holes in an inserted mode. Glass is arranged in the door and window frame, the door and window frame and the frame are installed in a matched mode, the frame further comprises installation frames, sliding holes, installation pins and installation holes, the installation frames are arranged in installation grooves, and the sliding holes are formed in the front ends of flat plates, parallel to the lower side face of the cross beam, of the installation frames. The expansion bolts are taken down, and the frame can be dismantled through spring reset.