To explore the clinical features, diagnosis and the surgery therapy of maxillary fibrous hyperplasia of bone.The clinical data of 37 cases with maxillary fibrous hyperplasia of bone from 1987-2006 years were retrospectively analyzed. 19 cases of male and 18 cases of female, their average age is 22.5 years (17-35 years). Twenty-one cases were operated by Caldwell-lud or lateral rhinotomy operation. After 1997, 16 cases were operated by Caldwell-lud operation with endoscopy so as to strip hyperplasia bone.Thirty-six cases were cured within 2-4 years follow-up, 1 case was reoperated by Caldwell-lud operation with endoscopy after recurrence. The patients who received operation by Caldwell-lud operation with endoscopy had less symptoms in the inflation deformity of maxillofacial region and dysfunction of neighbouring structures than those who received traditional operation.The diagnosis can be made by history, signs and radiography. Caldwell-lud operation with nasal endoscopy is more effective treatment, and advocated in clinical practice.