Diseases that cause left chest pain in women include chest wall diseases, cardiovascular diseases, respiratory diseases and other diseases. 1. Chest wall diseases: such as intercostal neuritis of the left chest, rib fracture, herpes zoster, etc., costochondritis, mastitis, breast hyperplasia, breast cancer, etc., which stimulate the sensory fibers of the intercostal nerves and cause chest pain. 2. Cardiovascular diseases: angina attack of coronary heart disease, acute myocardial infarction, pericarditis, aortic aneurysm-like dilatation, etc., all of which can cause chest pain on the left side of female patients. 3. Respiratory diseases: pleurisy, spontaneous pneumothorax, bronchitis, pleurisy, pulmonary embolism, bronchopulmonary cancer, etc., which stimulate the nociceptive nerve and cause chest pain. 4. Other diseases: gout, splenic infarction, gastroesophageal reflux disease, esophageal cancer, etc., which stimulate phrenic nerve sensory fibers and cause chest pain. There are more diseases that cause left chest pain, when left chest pain occurs, you should seek medical treatment in time to prevent serious complications, and you should choose appropriate treatment measures under the guidance of professional doctors to improve the quality of life.