Clinically, the organ under the left abdominal rib cage is the spleen, which is the largest lymphatic system in the human body, and the spleen is also an important immune organ in the human body. Once a patient develops a spleen-related disease, the patient will experience discomfort under the left abdominal rib cage, for example, if the patient develops a splenic cyst, the patient will experience swelling and pain under the left abdominal rib cage. If splenic lymphoma occurs, in addition to the pain under the left abdominal rib, the patient will also have fever, generalized lymph node swelling and other discomforts. It should be noted that if the patient suffers from trauma, the most common abdominal trauma is splenic rupture, if the patient’s left abdominal subcostal pain, puncture extracted non-coagulated blood, the patient will also appear to have a bowel sound weakened or disappeared, which means that the patient has got a splenic rupture, at this time, it is necessary to carry out active anti-shock treatment for the patient to avoid the danger to the patient’s life. At the same time of anti-shock treatment, the patient also needs to carry out active surgical preparation, surgical treatment. Generally speaking, clinically speaking, you can choose splenectomy or partial splenectomy, so that the patient can recover successfully.