The black bumps on the abdomen are not warts. The actual wart is a sexually transmitted disease caused by human papilloma virus infection, mainly in the genital and perianal area of pink or brown growths, and accompanied by itching, etc., can be gradually developed into granular, papillary protrusions, similar to the cauliflower, may be accompanied by contact with the bleeding or pain and other symptoms. The black bumps on the abdomen are considered to be abnormal growths on the abdominal skin and are not directly related to warts. If you find black bumps on your abdomen, it is recommended that you visit a hospital for a definitive diagnosis.