There is no free vaccine for sepsis. Sepsis, also known as sepsis or systemic infection, is mainly caused by bloodstream infections due to the entry of various pathogens such as bacterial germs into the blood circulation through the damaged skin and the patient’s low immunity, which does not allow for the timely removal of various pathogens. It may lead to chills, high fever, vomiting, diarrhea, abdominal pain, and even symptoms of systemic poisoning. Vaccine mainly refers to a kind of immune preparation made of various pathogenic microorganisms through a special process, which can stimulate the body’s immune system to produce corresponding antibodies and mainly play a role in preventing infectious diseases. Since sepsis is not an infectious disease, there is no free vaccination. Patients with sepsis are advised to go to the hospital in time and be treated under the guidance of a doctor.