The neurologic findings in 120 patients with possible diagnosis of hyperparathyroidism are reported and the world literature on this matter is reviewed. The neurologic signs and symptoms were divided in 3 categories: central, peripherical and miscelaneous. Headache, cramps weakness and depression where the most frequent complaints but with a so wide list of symptoms we expect mainly to salient the importance of calcium and phosphorus blood levels on neurologic patientes as well as the value of neurologic evaluation on hyperparathyroid patients.