A folding diaper table safe and comfortable to use comprises a supporting plate, a left protection plate, a right protection plate, a front supporting rod set and a rear supporting rod set, each of the front supporting rod set and the rear supporting rod set comprises a left supporting rod, a right supporting rod and a connecting joint, the left supporting rod and the connecting joint are rotatably arranged, the right supporting rod and the connecting joint are fixedly connected, and the left supporting rod and the right supporting rod are fixedly connected. A rotatable supporting rod is arranged between connecting joints of the front supporting rod set and the rear supporting rod set, the supporting plate is connected with the supporting rod, the left protection plate and the right protection plate are arranged at the left end and the right end of the supporting plate respectively in a foldable mode, and a left connecting rod capable of sliding up and down is arranged between left supporting rods of the front supporting rod set and the rear supporting rod set. A rotatable linkage rod is arranged between the bottom of the supporting plate and the left connecting rod, upper locking holes and lower locking holes are formed in the side faces, close to the left connecting rod, of the left supporting rods of the front supporting rod set and the rear supporting rod set, and locking pieces are arranged in the front end and the rear end of the left connecting rod and can be inserted into the upper locking holes or the lower locking holes. The locking piece can be automatically unlocked along with folding of the left protection plate.