Blood on gauze removal 7 days after circumcision may be caused by poor wound healing, surgical incision tear, infection and other factors. 1. Poor wound healing: 7 days after circumcision, the surgical incision site is not healing well, there may still be the symptom of blood seepage, which will lead to localized blood, and may also be accompanied by mild pain. 2. Surgical incision tear: after circumcision, strenuous exercise or repeated penile erection, resulting in surgical incision site tearing, causing bleeding, which will lead to blood on the gauze, which may also be accompanied by swelling, pain and other symptoms. 3. Infection: Inadequate care after circumcision, the surgical incision site becomes infected, and the aggravation of the infection will cause local bleeding, which may be accompanied by redness, swelling and other symptoms. If there is blood when removing the gauze 7 days after circumcision, and there are other obvious abnormalities, you should also seek medical examination and treatment.