The causes of vague pain inside the left lower rib cage in women can be divided into physiological and pathological causes. Physiological causes usually do not require special treatment and can be treated with rest. Pathological causes include trauma, rib disease, breast disease, heart disease, respiratory disease, etc. It is recommended that women go to the hospital for a clear diagnosis and take appropriate treatment in a timely manner. Physiological aspects: If women have improper position at rest, sudden strenuous exercise or too much exercise will lead to hidden pain under the ribs of the left chest, these physiological factors lead to hidden pain inside the ribs under the left chest, usually can be relieved after rest, no special treatment is needed. Second, the pathological aspects: 1, trauma: such as a car accident caused by the impact of the ribs, the left chest under the ribs inside the hidden pain, women are advised to go to the hospital in a timely manner, CT, X-ray and other related checks to clarify the presence of organic lesions. In case of rib fracture, attention should be paid to rest and pain treatment by applying ibuprofen, diclofenac and other drugs as prescribed by the doctor, and if necessary, rib fracture fixation treatment can be taken. If the damage to the skin tissue causes vague pain inside the left lower rib cage, it can generally be relieved after proper rest; 2, rib diseases: for example, costochondritis, intercostal neuritis, herpes zoster, etc. can lead to vague pain inside the left lower rib cage of women. The common rib disease is costochondritis, which is generally an inflammatory disease caused by non-infectious factors, with clinical symptoms of chest pain, chest wall pressure, fever, redness and swelling, etc. There is also vague pain inside the lower ribs. The treatment is divided into general treatment and drug treatment, general treatment means that patients should avoid strenuous activities of the affected limbs, keep sufficient sleep, and pay attention to avoid drinking alcohol and spicy stimulating food in diet. Medication should be applied under the guidance of a doctor to relieve pain with non-steroidal anti-inflammatory drugs, such as ibuprofen. Anti-infective drugs are used to control infection, such as cephalosporin and penicillin. If the pain is not caused by infection, local anesthetics or glucocorticoids can be used to relieve pain, such as lidocaine, prednisone, etc. Surgery can also be used, commonly used surgical methods are rib cartilage resection and minimally invasive decompression; 3, breast disease: breast disease caused by the left lower chest rib pain, consider it may be breast hyperplasia, mastitis or breast cancer. The common breast disease is mastitis, patients often have fever with chills, weakness and other symptoms, need to be examined to determine the specific cause of mastitis after the treatment of the cause, you can use antibacterial, anti-inflammatory drugs under the guidance of doctors, such as quinolone antibiotics, cephalosporin antibiotics, at the same time should reduce the stimulation of the mammary gland, serious cases can take the treatment of incision and drainage; 4, heart disease: because the left side of the rib cage and the heart If the patient has heart problems, such as angina pectoris, myocardial infarction, coronary artery disease, etc., it will lead to radioactive pain in the heart, which will be shadowed to the rib cage. It is necessary to identify the specific diseases causing heart pain and apply the corresponding drugs for heart diseases, such as beta-blockers and nitrates to improve the ischemia of the heart and reduce the occurrence of pain; 5. Respiratory diseases: the left lower rib pain caused by respiratory diseases is considered as pleurisy, intercostal muscle strain and contusion caused by respiratory system infection. The most common is pleurisy, which is often clinically manifested as stuffy chest pain and difficulty in breathing. Treatment should be given by means of oxygen, anti-infection, analgesia and avoiding chest adhesions, such as anti-infection treatment with levofloxacin and azithromycin, and analgesia treatment with aspirin and indomethacin, while attention should be paid to maintaining the healthy side lying position.