It is a common disease in gynecology that divided into acute and chronic disease. 1. acute pelvic inflammatory disease: a history of acute infection, lower abdominal pain, muscle tension, tenderness and rebound tenderness, accompanied by rapid heart rate, fever, a large amount of purulent secretions in the vagina. Severe illness can have high fever, headache, chills, loss of appetite, a lot of yellow leucorrhea with smell, abdominal pain, tenderness, waist pain, etc.; there are nausea, bloating, vomiting, diarrhea when patients have peritonitis; when people have abscess formation in pelvic, there are lower abdomen mass and local compression stimulation symptoms, the mass may be in front of the dysuria, frequent urination, dysuria, etc.; the mass located in the posterior can cause diarrhea, urgency, and difficulty in defecation. 2. chronic pelvic inflammatory disease: systemic symptoms are sometimes low fever, susceptible fatigue, some patients have neurasthenia symptoms due to long course of disease, such as insomnia, lack of energy, general discomfort. Lower abdomen bulge, pain and soreness in the lumbosacral region, it often worse after overworked, sexual intercourse, and before and after menstruation. Due to chronic inflammation, pelvic congestion, menorrhagia, ovarian dysfunction, menstrual disorders, tubal adhesions that can cause infertility. Acute inflammation may cause serious consequences such as diffuse peritonitis, sepsis and even septic shock; chronic inflammation is caused by repeated treatment and recurrent attacks, which affects women's normal work and life and physical and mental health. diagnosis: 1) acute pelvic inflammatory disease: gynecological examination - vaginal congestion, sputum tenderness, uterine congestion, edema, tenderness. The palace is slightly enlarged, with tenderness and limited activity. The attachments on both sides are tender, can touch the mass or thicken, and have a fluctuating feeling when the mass is formed. 2) chronic pelvic inflammatory disease: gynecological examination - the uterus is often in the posterior position, the activity is restricted or adhesion fixation. The attachment can be seen in the following cases: salpingitis; hydrosalpinx or fallopian tube ovarian cyst; pelvic pedicle tissue inflammation. treatment: The main treatments for pelvic inflammatory disease are: rest in bed, supplement nutrition, mainly antibiotics (including: broad-spectrum antibiotics and anti-anaerobic drugs), sometimes Chinese medicine treatment can also work, in severe cases, such as: pelvic abscess, need surgery. Acute pelvic inflammatory disease can be treated with general supportive therapy, antibiotic therapy, external use and surgery. Chronic pelvic inflammatory disease can be treated with general treatment, physical therapy, external medicine and surgery. prevention: 1) Pay attention to hygiene during menstruation, pregnancy, childbirth and puerperium to prevent infection. 2) Prepare for gynecological surgery. Pay attention to keep the vulva clean, avoid sexual intercourse three days before surgery; pay attention to vulvar and vaginal cleansing after surgery, wash the vulva with warm water, replace the perineal pad and underwear in time, and prohibit sexual intercourse within 2 to 3 weeks. 3) patients need completely cure acute pelvic inflammatory disease to prevent it change to chronic disease.