Pelvic cancer refers to common gynecological malignant tumors, such as ovarian cancer, endometrial cancer and cervical cancer. Early symptoms include abdominal pain and distension, menstrual disorders and abnormal vaginal bleeding. 1. Abdominal pain and distension: the pelvis is located in the lower abdomen, due to the growth and compression of tumor, patients may manifest abdominal pain and distension. If the tumor tip is twisted or ruptured or infected, patients may have sudden abdominal pain, accompanied by obvious nausea, vomiting, fever and other reactions. 2. Menstrual disorders: some gynecological tumors affect ovarian secretion function and cause endocrine disorders, thus menstrual disorders may occur, and may be accompanied by increased vaginal secretions or even foul smell. 3. Abnormal vaginal bleeding: irregular vaginal bleeding is a common symptom of gynecological tumors, which is often in small to medium amount. When symptoms such as abdominal pain and abnormal vaginal bleeding occur, attention should be paid and timely consult the hospital to find out the cause of the disease.