The present invention relates to an antibacterial, antiinflammatory, or antioxidant composition and, more specifically, to a compound having a structure in which salicylic acid is linked to a peptide via a covalent linkage, and to an antibacterial, antiinflammatory, or antioxidant pharmaceutical or cosmetic composition containing the compound. The compound having a structure in which salicylic acid is linked to a peptide via a covalent linkage, of the present invention, has excellent physiological activity, such as antibacterial, antiinflammatory, or antioxidant action, as well as excellent characteristics, such as solubility in water, and thus the compound can be favorably used in various fields of food, drug, or cosmetics.
