Abstract: There were 50 patients with thyroid cancers treated in our department from 1981 to 1990, of which 24 cases were benign tumors. 6 cervical masses 20 malignanes diagnosed preoperatively Fine-needle aspiration cytologic examinations were perfomed in 13 cases, and surgical treatments done in 47 patients.In our growp,simple local resections were performed in 12 cases, of wich 9 cases had recurrance and 5、10-year survival rates were 58. 33%, and 16. 67% respectively. There was one case surviving with tumor. Howers, ipsilateral lobecteries plus isthmus resections or contralateral subtotal lobectomies, bilaterol subtalal labectomies and total thyroideetomies with modified radical node.disections were dons in 35 cases, who had no local recarrance, of which 5、10-year survival rates were 87. 87% and 24. 24%. The authors discussed diagnosis and choice of surgical procedures of thyroid cancer in this paper.