Blood in the internal examination can be caused by gynecological inflammation, commonly vaginal inflammation, such as old age atrophic vaginitis, trichomonas vaginitis, bacterial vaginitis, mycosis vaginitis may cause bleeding in the gynecological examination, you need to further check the vaginal secretions, according to the vaginal secretion examination to determine how to treat the next step. If it is bacterial vaginitis, topical vaginal metronidazole; if it is mycotic vaginitis, topical vaginal miconazole nitrate; if it is trichomonas vaginitis, couples need to use metronidazole; if it is senile atrophic vaginitis, topical vaginal estriol cream is needed. In addition, it can also be caused by cervical lesions, which require further screening, such as TCT, HPV, depending on the examination to determine the next step of treatment. It can also be caused by cervical polyps, which need to be removed and sent to the pathologist after the operation to decide the next step of treatment according to the pathology.