PROBLEM TO BE SOLVED: To reduce factors of a failure of a drive part.SOLUTION: A supine table includes: a drive part 2 for raising/tilting a back bottom 11 a control circuit 5 that drives the drive part 2 in response to an input operation from an operation machine 15 and raises/tilts the back bottom 11 angle detection means 21 that detects an angle of the back bottom and alarming means 7 for issuing an alarm to a user. When a state where the angle of the back bottom 11 detected by the angle detection means 21 is within a prescribed angle is continued for a prescribed time, the control circuit 5 issues an alarm to the user through the alarming means 7.
