The fast growth of AIDS augurs, in the coming years, that the surgical complications will become more frequent. Of some 680 patients under medical treatment for HIV, in Laennec’s Hospital, 106 were operated, of whom 43 required an abdominal operation. Out of them 25 have shown an abdominal event related to the HIV virus. Nineteen were surgically operated, 1 by endoscopy; 6 were not operated, 1 because of a successful antibiotic treatment, the 5 others because of an increasing status to the dying point. The semiologic interpretation and analysis were always difficult. In the context we tried to show that the surgeon will often be confronted with the difficult situation, having to discriminate the point from where it will be necessary to bring his help to these young men and women, overwhelmed by successive complications, treatments, and justly concerned by their ingravescent diseas