Pain in the left groin of women may be related to lymphadenitis, inguinal hernia, gynecological diseases and other causes. 1. Lymphadenitis: Bacteria and other pathogens through the broken skin and other pathways, can lead to inflammatory reaction of the inguinal lymph nodes, lymph node enlargement with symptoms of pain. 2. Inguinal hernia: inguinal hernia can be caused by decreased muscle or fascial tension in the left inguinal area, which may result in pain in the groin. 3. Gynecological diseases: such as pelvic inflammatory disease, adnexitis and other diseases, due to the stimulation of inflammation, can cause lower abdominal pain, may involve the left groin pain. In addition, groin trauma, skin boils and other causes can also cause pain in the area. Therefore, women who experience pain in the left groin should go to the hospital in time to clarify the cause of the disease and under the guidance of the doctor to carry out standardized treatment, so as to avoid delaying the condition.