Abstract: Objective 　To investigate the effects and complications for treatment of malignant biliary obstruction by implantation stend. Methods 　46 patients with malignant biliary obstruction were received implantation stand through the guidance of DSA. Results 　46 patients were inserted biliary stand, and used the total 50 stents, including patient s with biliary double sand. 4 patients were performed with TAI or / and TAE after operation. The total efficacy of alleviation jaundice was 85. 4 %. 3 cases of stand were obstruction. Complications included septicemia ( n = 3), hepatic dysfunction ( n = 6) . Conclusion 　The implantation stand has high successful rate, the better effects of alleviation jaundice. And it is a simple, safe of palliative treatment for malignant biliary obstruction.