(6E,12E)-Tetradecadiene-8,10-diyne-1,3-diol is an antibacterial compound. (6E,12E)-Tetradecadiene-8,10-diyne-1,3-diol can be isolated from the roots of Atractylodes japonica. (6E,12E)-Tetradecadiene-8,10-diyne-1,3-diol has anti-methicillin-resistant Staphylococcus aureus (MRSA) activity with MIC values of 4-32 μg/mL. (6E,12E)-Tetradecadiene-8,10-diyne-1,3-diol can be used for the research of bacterial infection [1] .