The progress of the diagnostic and treatment of the acoustic tumors have begin in the years 1960. From this time, radio imaging, surgical and anasthesic techniques have improved in such a way that the lethality of the surgery is almost equal to 0% and the preservation of the facial mimic have reached a point that was never attained before. It must be emphasized that this surgery requires a surgical staff well trained and an appropriate structure. The preservation of hearing remains and will remain possible in some exceptional cases, as we know how fragile is this function in most of the cases.