There are many causes of vague pain in the left lower abdomen of women, such as pelvic inflammatory disease, left ovarian cysts, uterine fibroids, endometriosis, dysmenorrhea, left adnexitis or chronic colitis, and many other diseases can cause vague pain in the left lower abdomen. Patients should pay attention to the regularity of life and rest, avoid straining and staying up late, keep a relaxed mood, avoid mental tension, pay attention to warmth, avoid getting cold in the abdomen, do not wear low-waisted pants and open-neck dresses, pay attention to a light diet and regular hygiene, do more abdominal hot compresses and massage, and also drink hot water and hot ginger sugar water to relieve pain. If you have frequent episodes of hidden pain, you should go to the hospital to check what causes it, and then standardize treatment under the guidance of a professional physician.