Abstract: Monascus ruber was adopted as aspergillus strain.Rice and soybean c hi ps were used as the raw materials, and optimum culture conditions were studied a nd concluded:Rice to soybean chips ratio 1.5 to 1;thickness of substrate 5cm;in i tial water content of substrate 50%;pH of substrate 4;the culture temperature a round 30℃ and culture time 6 days.On this basis,enxyme character istics of m on ascus rice and bean were studied elementarily:The acidic proteinase viability of monascus rice and bean was about ten times as much as that of monascus rice cul tured by traditional technology.The neutral proteinase viability was not in creas ed much The alkaline proteinase could not be found.Saccharase viability st ill re ached 833.7.Monascus pigments reached above 180,with basically no varianc e.

Key words: Monascus rice and bean, culture condition, enzymology, proteinase, carbo h ydnase