The floristic characteristics of food resources of Macaca mulatta were analyzed based on the investigations of the plant life in Manghe National Nature Reserve,Shanxi,China.(1)The field survey found that there are 659 vascular plants,of which,261 are feeding plants of M.mulatta belonging to 54 families and 126 genera,which accounted for 52.94%,33.69% and 39.61% of the respective families,genera and species of total vascular plants in habitat.Rosaceae is the largest family in feeding plants of M.mulatta,contains 16 genera and 39 species,Leguminosae takes sencond place,contains 11 genera and 23 species.(2)According to the statistics,families of feeding plants of M.mulatta were classified into 6 distribution types and 2 variety types,and genera were divided into 13 distribution types and 6 variety types.As for the genus distribution type,there are 75 genera of temperate type which account for 66.96% of total genera,among them,46 genera belongs to North Temperate type,which account for 41.07% of total genera,24 genera of tropic type and 13 genera of mediterranea,Middle Asia to East Asia disjuncted and the endemic type of China,which account for 21.43% and 11.61%,respectively.The above information indicates that this area is a temperate zone.