Ovarian cancer ascites is one of the common complications of ovarian tumor, mainly manifested as abdominal distension, abdominal enlargement and other gastrointestinal symptoms, for example, some patients may have cachexia such as loss of appetite, emaciation and anemia. The symptoms of compression on different parts are as follows: 1. compression on other organs: abdominal pain, lumbago, lower limb pain; 2. compression on bladder: frequent and urgent urination; 3. compression on rectum: constipation; 4. compression on chest: shortness of breath, palpitation; 5. compression on pelvic veins: edema of lower limbs, etc.