Rib pain in the left back of women may be caused by rib fracture, lesions of organs in the chest cavity and osteoporosis, etc. External fixation can be carried out, and anti-infection, anti-heart failure and calcium supplementation treatments can be taken at the same time. 1. Rib fracture: X-ray or CT three-dimensional reconstruction is usually needed to clarify whether there is a crack or fracture of the ribs, and external fixation is the mainstay. 2. Thoracic organ lesions: common myocarditis, pleural adhesions, etc., can cause pain or radiating pain in this area, which needs timely treatment with anti-heart failure such as enalapril and anti-infection such as ceftriaxone. 3. Osteoporosis: often occurs in older women, due to the decline in bone density, resulting in compression of the nerve when extrusion occurs, resulting in pain, the need for timely supplementation of calcium and vitamins. The application of specific drugs need to follow the doctor’s instructions. Patients are advised to seek timely medical examination and targeted treatment.