The common causes of swollen lymph nodes throughout the body are generally the following: i. Patients with lymphoma can have multiple swollen lymph nodes due to abnormal proliferation of lymphatic tissues throughout the body. At this time, as the lymphatic tissues show malignant tumor changes, it will cause patients to consume a large amount of energy, and patients will show significant wasting and weakness. The nature of the lesion can be clarified through lymph node puncture and pathological examination. Early lymphoma patients can achieve better treatment effect through active chemotherapy treatment. For example, acute severe pancreatitis, acute obstructive purulent cholangitis, gastrointestinal perforation, bacteria and viruses in the patient’s body can invade the whole body along the blood and lymphatic vessels to cause enlarged lymph nodes throughout the body, and systemic inflammatory response syndrome can occur, and even induce infectious shock to endanger the patient’s life.