Abstract: By the food-storing-preference experiment conducted on the M. Brandti,it is revealed that there is an apparent preference of this species: the most favorable component is the root of Artemisia scoparia,then the A.frigida,and then the branch and fruit of A.scoparia.Such preference is related with the food-storing order in the caches of the communal over-winter-group.

Key words: red pear, bagging, coloration, anthocyanin content, activities of enzymes.