An extendable hospital bed comprising a bed frame (2) used for supporting a bed surface and bed legs (1) arranged at either end of the bed frame (2). Width-extending frames (3) and a bedhead extending frame (4) arranged at an extremity of the bed frame (2) are provided on the bed frame (2). The width-extending frames (3) are arranged in parallel in the transverse direction of the bed frame (2). The bed frame (2), the width-extending frame (3), and the bedhead extending frame (4) are jointly laid to for the bed surface. A first hollow pipe (31) arranged in the transverse direction of the bed frame (2) is provided on the bed frame (2). A first insertion pipe (32) that can be slidably inserted into the first hollow pipe (31) is provided on the width-extending frame (3). A transverse support bar (33) is provided on the width-extending frame (3). One extremity of the transverse support bar (33) is connected onto the width-extending frames (3), while the other extremity is dragged on the bed frame (2). The bed frame (2) is provided with a second hollow pipe (41) arranged in the longitudinal direction of the bed frame (2). A third hollow pipe (43) parallel to the first hollow pipe (31) is provided on the bedhead extending frame (4). A second insertion pipe (42) that can be slidably inserted into the second hollow pipe (41) is fixed onto the bedhead extending frame (4). One extremity of one right-angled bent insertion pipe (44) is slidably inserted into the third hollow pipe (43), while the other extremity is inserted into a longitudinal hollow pipe of the adjacent width-extending frame (3). The bedhead extending frame (4) is connected to a longitudinal support bar (45). One extremity of the longitudinal support bar (45) is connected onto the bedhead extending frame (4), while the other extremity is dragged on the bed frame (2).Ce élargissable lit pour malade comprend un cadre de lit (2) supportant la surface du lit et des pieds de lit (1) placés sous le cadre de lit (2) su
