The left side of women’s small abdomen vague pain, may be related to the following factors: 1, pathogenic bacteria through the vagina and cervical upstream caused by intrauterine infection, resulting in endometritis, can cause pain on the left side of the small abdomen, timely treatment, such as untimely treatment, inflammation aggravation will affect female fertility. 2, the left side of chronic adnexitis is one of the common causes of women’s left side of the small abdomen pain, the left side of the small abdomen manifested as vague pain, can be accompanied by The left side of the abdominal cramps, increased leucorrhea, lumbosacral pain, menstrual disorders. 3, chronic pelvic inflammatory disease can also lead to the left side of the abdomen vague pain, aggravated after intercourse, rest to relieve. 4, the left side of the kidney stone disease, sigmoid colon chronic inflammation, can also lead to women left side of the abdomen vague pain, should promptly go to the hospital for examination, to clarify the nature of the disease, in order to timely treatment.