Hidden pain above the left breast of women need to be treated according to the specific causes, such as angina, breast hyperplasia, costochondritis, breast cancer, etc., after a clear diagnosis to take general treatment, drug treatment, surgical treatment. 1. Angina pectoris: angina pectoris can cause vague pain over the left chest of women, mainly due to the increase in myocardial load, resulting in myocardial ischemia, hypoxia due to temporary and intense, sublingual nitroglycerin should be taken to improve the symptoms, and go to the hospital, improve the electrocardiogram, coronary artery angiography, to clarify the severity of coronary heart disease. 2. Breast Hyperplasia: Hidden pain above the left breast of women may also be due to left breast hyperplasia, usually more obvious symptoms before menstruation, after menstruation will be gradually relieved, if there is no obvious discomfort, no special treatment. 3. Costal chondritis: women’s left upper chest pain may also be due to costal chondritis, if the pain is serious, you can take ibuprofen, celecoxib to improve the symptoms, at the same time, you can take the local hot compresses, pay more attention to rest, avoid large-scale exercise. 4. Breast cancer: malignant tumors in the left breast can also lead to hidden pain in the upper left breast, which needs to be treated by surgery after diagnosis, and need to be treated with radiotherapy and chemotherapy after surgery. Chemotherapy drugs include docetaxel and cyclophosphamide. There are many causes of pain over the left side of the chest, including pneumonia, pleurisy, intercostal neuritis and other diseases. Therefore, it is recommended to go to the hospital in time to improve the examination, and the above drugs need to be applied according to the doctor’s prescription.