To study the effect of wine processing on tanshinoneⅡA and protocatechuic aldehyde contents in Salvia miltiorrhiza,and to make clear the material basis for the enhanced function of activating blood circulation and removing stagnated blood of the drug processed with wine.The contents of tanshinone ⅡA and protocatechuic aldehyde in watery and alcoholic extract of Salvia miltiorrhiza with different wine processing were determined.Results:The contents of tanshinoneⅡA and protocatechuic aldehyde in alcoholic extract of raw products were the most....