A selected acetic bacterium HAc-5 was used to convert schisandra wine into fruit vinegar. After 163 hours fermentation, the total acidity and the acetic acid conversion rate reached 10.363 g/100 ml and 98.11%, respectively. The fruit vinegar was yellow, reddish and semitransparent, with light acerbity and particular pharmaceutical aroma of schisandra, so it can be developed into ...