Hemorrhoids are common human afflictions known since the dawn of history. More than half of patients with hemorrhoids are complicated by acute thrombosis of hemorrhoids. It is unknown whether surgery is the gold standard for therapy of thrombosed. In article were described the results of surgical treatment 99 patients with acute hemorrhoidal thrombosis. All patients underwent hemorrhoidectomy during some days after hospitalization. Complications were observed at 28 patients (28,3%), from which in early postoperative period were 25, late complications were at 3 patients. The frequency of early and late postoperative complications is similar to those after elective hemorrhoidectomy.