▎ 摘　　要

NOVELTY - The mattress has a connecting block (15) whose right end is connected with a button (6) through a rotating hole (5). Left and right ends of an inner wall of an opening (3) are respectively formed with two moving grooves. An inner part of the opening is fixed with a column block through the moving groove. The opening is fixed with a lantern ring that is made of rubber. A mattress main body (1) is connected with a separating strip (2) that divides the mattress body into two blocks. The button moves a moving block along up and down directions on the moving groove. The opening is fixed on the mattress main body. USE - Cylindrical graphene mattress. ADVANTAGE - The mattress enhances warmness during winter season, and prevents the mattress main body by a bottom layer from being scratched. DESCRIPTION OF DRAWING(S) - The drawing shows a perspective view of a cylindrical graphene mattress. Mattress main body (1) Separating strip (2) Opening (3) Rotating hole (5) Button (6) Connecting block (15)