The red discharge after menstruation may be caused by the lack of estrogen in the body, it is best to check the hormone six items in time, and then under the guidance of the doctor reasonable supplementation estrogen regulation, can improve the red discharge situation, may be caused by menstruation is not completely clean, it is best to pay attention to hygiene, do not have intercourse too early, so as not to cause gynecological infection. It is best to go to the hospital for secretion examination, colposcopy, ultrasound, etc. If gynecological inflammation requires reasonable treatment with anti-inflammatory drugs, cervical polyps can be minimally invasive surgery, uterine fibroids or endometriosis is best treated surgically, and it is best to review the situation regularly after surgery to see how the condition has recovered. It is best not to use birth control pills too often, and using birth control pills can also cause red discharge.