Sixteen cases of brain cysticercosis with obstruction of cerebrospinal fluid circulation were operated from 1960 to 1965, through ventriculo-auri- culostomy with Holter valve. Five patients died, ten are alive and free of signs of intracranial hypertension and one could not be followed up. Considering the usual bad prognosis of the disease, mainly when increased intracranial pressure is present, the results obtained can be considered good. Therefore, the ventriculovenous shunts are a valuable resource in the treatment of the neurocysticercosis with ventricular dilatation caused by cerebrospinal fluid obstruction either in the intraventricular pathway or in the subarachnoid space. Sometimes the evolution is not satisfatory owing to the progressive course of the disease itself and not as a consequence of a bad control of the increased intracranial pressure.