This study investigated the contamination level of Staphylococcus aureus of retail edible mushrooms in China. 699 retail edible mushroom samples were collected from 39 cities in China during 2011 to 2016,33 samples(4. 72%) were positive for Staphylococcus aureus and the geometric mean was 9. 75 MPN/g. A total of 39 isolates were analyzed. For antibiotics susceptibility tests,all isolated strains were resistant to 22 kinds of different antibiotics,such as ampicillin,and only sensitive to linezolid and rifamp...