The pain on the left side of the abdomen in women may be caused by the following reasons: first, acute enteritis, when the patient eats a lot of too cold food, or spicy food, as well as after drinking alcohol, there will be spasmodic pain in the intestines. This can be treated by taking warm water orally, taking antispasmodic drugs, some patients also need to take antibiotics for treatment, while the abdomen needs to be hot compresses. Second, it may be caused by urinary stones, combined with urinary tract infection. In this case, you can go to the urology department of the hospital to improve the relevant examination, such as urological ultrasound, and urinary routine, etc. for clarification. Thirdly, gynecological diseases, such as ovarian cyst torsion, ovarian cyst rupture, ectopic pregnancy and other uterine diseases, cannot be excluded. This needs to be clarified by gynecological ultrasound. Do not use your own medication in case of pain to avoid delaying the condition.