Whether to take out the intraoperative steel plate of ankle fracture depends on the following aspects: 1, age factor: children belong to the developmental stage, the length of the bone is not the same, children must be taken out of the plate after ankle fracture; young people should be taken out of the plate according to the patient’s will or not, the majority of patients in China think that there is a foreign body in the body needs to be taken out; most of the foreign countries do not take out of the plate; 2, plate material factors: plate electrolysis is faster, should be taken out of the plate; common, such as titanium alloy, etc., slower electrolysis, electrolytic condition, may not be taken out.