The left lower abdominal pain is generally considered to be pelvic inflammatory, and it is recommended to combine the relevant examination to confirm the diagnosis and treatment. It is recommended to go to the hospital for a gynecological examination to see if there is any pressure pain on both sides of the adnexa and to do gynecological ultrasound or pelvic CT to see if there are any problems with the fallopian tubes, if the report indicates that there is fluid in the adnexa or that the adnexa includes or ovarian cysts, the diagnosis can be confirmed. Generally, a combination of western anti-inflammatory drugs and Chinese herbal medicine or reserved enemas can be given. If a woman has had chronic pelvic inflammatory disease in the past, or if she has had an abortion in the past and later developed chronic pelvic inflammatory disease, she usually has abnormalities in the leucorrhoea, such as increased leucorrhoea and vulvar itching, etc. It is recommended to check the routine leucorrhoea and then give local plugs or oral treatment such as gynecological Qianjin tablets. In short, most of the left side of the lower abdominal pain in women is caused by chronic pelvic inflammatory disease or adnexitis, but to go to the hospital to do the relevant examination to confirm the diagnosis after the targeted treatment.