An inborn and pathological atrophy, the former is rare, not easy to cure; the latter is common, and the cure rate is high. The first one is not common, not easy to cure; the latter is common, and the cure rate is high. The first is to make sure that you have a good understanding of the situation, and that you have a good idea of what you are doing. And is a rural cooperative medical object. The technical equipment is advanced, the doctor over there is a wealth of fine test