First, external fixator plus inverted U-shaped osteotomy of tibial tubercle. There is no complete guarantee that the O-leg can be corrected, and any operation involving bones is risky, especially this leg operation. .

This kind of operation is generally available in hospitals with bone injuries above Grade III and Grade A, but the cost of the operation may vary, generally 2-3W yuan (mainly depending on the doctor's medical level).

In fact, human beings should not pursue perfection excessively, otherwise they will be easily injured, especially in surgery. If the O-leg is not obvious, it is recommended to respect nature. .