The present invention relates to an antibacterial, anti-inflammatory, 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, anti-inflammatory, 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, anti-inflammatory, or antioxidant activity, 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.
