There are several types of treatment, including taking rib cartilage to make a scaffolding to be placed in the ear in that location, which takes a longer time, and usually involves burying an expander to expand the skin and then taking the rib cartilage and implanting it behind the ear. This method will not cause rejection, because the cartilage is implanted under the original skin.
There is also an artificial stent, that is, an artificial auricle, there will be a certain chance of rejection
The cost is about three to five million, now this disease is more common, usually because of drug abuse, so do not need to worry too much about it, and there will be no hereditary and so on. It doesn't affect the aesthetics suggests not to do it, on the child's character development pay more attention to some can be
You can go to the Peking Union Medical College Hospital to see it