To provide a duty card in which an item which a person in charge should perform becomes quite obvious, and which can raise the speeding up and the degree of comprehension of duty performance.

The duty card 20 includes: a card body 2; and a transparency case 1 which contains the card body 2. The item concerning a main duty assignment in an affiliation group which performs a duty is indicated on the surface of the card body 2. A part of a card side edge section of an item part applicable to the duty which should be performed is protruded in the shape of a convex to be made an index part 3, and a procedure and a note concerning the duty are indicated at the rear surface of the card body 2 although the illustration is omitted.