Left lower abdominal pain can occur with uterine fibroids, the common reasons are as follows: 1, related to the site of fibroid growth, the common growth site is the left side of the uterus subplasma fibroids with tissues, twisting of the tissues of fibroids. 2, fibroid degeneration, such as red-like change, glass-like change, when there is fibroid degeneration, sometimes fever and left lower abdominal pain. 3, fibroid malignant change, rapid growth of fibroids in a short period of time, will also lower abdominal pain occurs. For uterine fibroids, left lower abdominal pain is an emergency and should be dealt with urgently. It is necessary to do ultrasound examination to check the sequence of tumor and actively conservative treatment after clear diagnosis or timely surgery according to doctor’s order.