How to cast ulnar hawk’s-jaw fracture, ulnar hawk’s-jaw fracture depends on the extent of the fracture, if or relatively minor, it can be fixed in a cast after the swelling is reset and treated, and it can be fixed in the 90-degree position. If the ulnar hawk’s-jaw fracture is more serious, it can be cast between 90-120 degrees, slightly straightened position. After the cast is fixed, you need to pay attention to the swelling and pain, and pay attention to the elasticity of the cast bandage, to avoid over-tightening, because the fracture swelling compresses the blood vessels and nerves. If there is numbness, bruising or color change in the hand, you need to pay attention to ask the doctor to check if it is too tight. As the cast is fixed and the swelling is gradually eliminated, there is also a possibility that the bandage is too loose because the swelling is eliminated, which is also required to be reviewed by the doctor in the examination and later periodically until the fracture heals well.