The pelvic effusion is caused by inflammation of the pelvis due to women not paying attention to hygiene during menstruation or having sex during menstruation. pelvic effusion caused by inflammation can be treated in many ways: 1. you can use western medicine intravenous drip to antibiotics mainly. 2. if it belongs to chronic pelvic inflammation, infrared physical therapy can be used at the same time as antibiotics, which will help a lot in the absorption of the effusion. 3. If a patient with pelvic effusion has a mass or hydrocele in the fallopian tube, because this situation will appear small foci of infection, so surgery is required to avoid leaving a lesion.