Abstract: The present invention regards an operation table for big animals which is immersable into a deepening (11) in the floor (10) of the operation room in such a way that, in the position or readiness of the operation table its table proper (16) intended for the execution of the operation will be situated at least substantially in flight with the level of said floor (10) but that it may be elevated into a convenient working position. The operation table comprises a support (12) and the table proper (16) for execution of the operation. The foundation is supported by the bottom of the deepening (11) by means of a scissor elevation device (13), and the table proper (16) is supported by the foundation (12) by means of a second scissor elevation device (14). The height of the foundation (12) along with the means for operating same is so chosen, that the foundation will, in its elevated position, be in level with the floor (10) in the operation room.