Provided in the present invention is a peptide for preventing or treating sepsis. The peptide can improve symptoms of sepsis by inhibiting production of TNF, IL-1, and IL-6, which are cytokines that are related to sepsis, or can prevent or treat sepsis. Also disclosed are a pharmaceutical composition or a food composition containing the peptide as an active ingredient, a usage of the peptide for preventing or treating sepsis, and a kit comprising the peptide and instructions.