A folding table (1) comprises: a table body (3) provided with a pair of hinge pins (35) protruding oppositely in the left-right direction, and also with a pair of lock pins (36) protruding oppositely in the left-right direction; and a pair of left and right brackets (21, 22) having formed therein shaft holes (41) and movable holes (42), the shaft holes (41) allowing the hinge pins (35) serving as the center of rotation to be inserted therein, the movable holes (42) allowing the lock pins (36) to be inserted therein and having spring members (43, 44, 45) mounted therein, the spring members (43, 44, 45) pressing the lock pins (36). The table body (3) is rotatably supported by the brackets (21, 22) affixed to a wall surface. The folding table (1) has closing plates (5) which are plate members having through-holes (51, 52) formed therein, the through-holes (51, 52) respectively allowing the hinge pins (35) and the lock pins (36) of the table body (3) to penetrate therethrough, and the closing plates (5) are sandwiched between the table body (3) and the brackets (21, 22) in order to close the movable holes (42).