If a woman bleeding after intercourse, no matter what age should pay attention to, as soon as possible to see a doctor, more than 50 years old women bleeding after intercourse, the common clinical reasons are as follows: First, gynecological inflammation, such as geriatric vaginitis, due to inflammation stimulation leads to vaginal mucosa congestion, edema, once a strong stimulus will be broken, bleeding, need to be anti-inflammatory treatment in a timely manner. Secondly, cervical polyps, if the polyps are large and numerous, repeated stimulation during coitus leads to bleeding and necrosis of the polyps, colposcopy and other related examinations need to be carried out, and if necessary, surgical treatment. Third, cancerous lesions, cervical cancer is usually the first manifestation of bleeding during coitus, need to carry out cancer screening as soon as possible, after diagnosis and active treatment. If women who have placed intrauterine device in the past, if it has not been removed for a long time and dislocation occurs, bleeding after intercourse will also occur, and it can be removed according to the situation.