Severe pancreatitis complicated by septicemia is a manifestation of critical condition, and the main reason for the onset of the disease is due to severe infection. Severe pancreatitis is caused by severe destruction of pancreatic tissues, rupture of pancreatic cells, massive spillage of pancreatic enzymes, resulting in severe necrosis and infection around the pancreas as well as in the abdominal cavity, and entry of bacteria, viruses, and other pathogens into the bloodstream, which results in the body experiencing explosive inflammatory reactions. When the infection cannot be controlled or is further aggravated beyond the tolerable range of the body’s immune system, deep suppression of the immune function occurs and sepsis occurs. When severe pancreatitis is complicated by sepsis, it may manifest as chills, high fever or hypothermia, increased heart rate, decreased blood pressure, oliguria or even anuria, and in further development, septic shock manifestations such as fuzzy consciousness, drowsiness, coma, and even systemic multiorgan failure and circulatory disorders, which are life-threatening. If you are diagnosed with severe pancreatitis complicated by sepsis, you should actively cooperate with your doctor to reduce the adverse effects of the disease.