Remaining urine fixing device

The utility model relates to the technical field of medical instruments, in particular to a urine retaining fixing device which comprises a back plate, a U-shaped strip and a foot supporting plate, oxter supporting rods extending towards the front of the back plate are fixedly connected to the two sides of the top of the back plate, and sliding sleeves capable of sliding in the length direction of the oxter supporting rods are slidably connected to the oxter supporting rods in a sleeved mode. The upper surfaces of the sliding sleeves are provided with oxter pads used for supporting the armpits of the baby, the two ends of the U-shaped strip are fixedly connected with the two sliding sleeves respectively, the middle of the U-shaped strip is in threaded connection with a screw, and the end, close to the back plate, of the screw abuts against the back plate, so that the screw can be rotated to control the U-shaped strip to move forwards or backwards. Supporting legs are fixedly connected to the two sides of the