Common causes of left back pain in women include the following: first, muscle, soft tissue and bone diseases, the onset of left back pain is often preceded by strenuous exercise, lifting heavy objects and trauma and other triggers, the pain is more limited, there is no obvious radiation, most of the heat and massage after obvious relief. Second, heart disease, middle-aged and elderly female patients with left posterior back pain, accompanied by symptoms such as precordial discomfort, stuffiness, palpitations, etc., should pay attention to the exclusion of heart disease, electrocardiogram examination can be performed at the onset, if necessary, exercise test and other further examination, excluding coronary heart disease, angina pectoris and other heart diseases. Thirdly, in case of pancreatic diseases, if there is pain in the left posterior back, accompanied by jaundice symptoms such as yellow urine, skin and sclera yellowing, attention should be paid to exclude pancreatic diseases, and if necessary, abdominal ultrasound, abdominal CT and other imaging examinations should be performed to further clarify the diagnosis.