Dimao 1 with high production of laccase was screened from twelve strains of Auricularia auricular.The native-PAGE analysis showed that it possessed three kinds of laccase isoenzymes.The analysis on the enzymatic properties showed that the laccase activity arrived at the highest level of 382.6 U/L after Dimao 1 strain was fermented for 11 days in liquid PDA medium,and the optimum temperature and pH value were 50℃ and 3.2 respectively for laccase activity.The laccase production of Dimao 1 was more stable to d...