Small stomach pain, lumbago, and brown leucorrhea may only be manifestations of a fresh menstrual period. In addition, they may also be related to ovulatory bleeding, cervical inflammation, and pelvic inflammatory disease. If it is caused by a disease, in addition to following medical advice for treatment, patients should also pay attention to personal hygiene to avoid aggravation of the condition due to infection.1. Menstrual flow: Some women have a very small amount of menstruation when they have just had a period, which may be manifested as brownish leucorrhea, accompanied by common symptoms of menstruation such as abdominal pain and lumbar acidity, and patients are advised to check whether their periods are in line with them. If it is menstrual flow, avoid being sedentary, take appropriate bed rest, use hot water bag or warm towel to warm up the abdomen, if it cannot be relieved, you can take oral ibuprofen capsule etc.; 2. Uterine bleeding during ovulation: Due to the decrease of estrogen in the patient’s body, the endometrium appears to shed a little, which in turn leads to bleeding. Ovulation along with follicular fluid stimulates the peritoneum, which can cause abdominal pain and discomfort to the patient. If the patient has no other abnormal symptoms, there is no need to worry too much. During this period, the patient should keep warm and avoid intercourse. If it lasts longer, you need to go to the hospital to check the hormone level, etc. and follow the doctor’s instructions to supplement estrogen and progesterone; 3. Gynecological inflammation: such as cervical inflammation, pelvic inflammatory disease, etc. The pathogens continue to infect, causing congestion, edema and adhesions at the infected area, which in turn leads to abdominal pain, lumbago, brown leucorrhea and other symptoms. Patients can take oral gynecological Qianjin tablets under the guidance of the doctor, and according to the drug sensitivity test with antibiotics for treatment, such as cefdinir, cefixime, metronidazole, ornidazole, etc., but also with Chinese massage, acupuncture, massage and other treatment; 4, pre-eclampsia abortion: if for early pregnancy, there may also be pre-eclampsia abortion, small stomach pain, lumbar acidity, leucorrhea brown, it is recommended to go to the hospital in time for examination, follow the Medical advice to supplement progesterone, HCG, progesterone, etc.; 5, other: endometrial polyps, cervical cancer and other diseases, can also lead to patients with back pain, leucorrhea brown and other symptoms, patients should promptly seek medical advice. Endometrial polyps need to follow the doctor’s advice to perform ultrasound examination, and then perform drug or surgical treatment after clear diagnosis. Cervical cancer requires colposcopy to obtain biopsy tissue for clear diagnosis and then the doctor will determine the treatment plan, such as surgery or radiotherapy treatment.