A medical information processing apparatus according to an embodiment includes a specifying unit, an obtaining unit, a determining unit, and a display controlling unit. The specifying unit specifies principal data from among a plurality of types of diagnosis/treatment data. The obtaining unit obtains peripheral data that is diagnosis/treatment data having a high degree of relevance to the principal data, by using the principal data as a reference. The determining unit determines a screen configuration indicating positional arrangements of the principal data and the peripheral data to be used at the time of displaying the principal data and the peripheral data, in accordance with an attribute of the peripheral data with respect to the principal data. The display controlling unit displays the principal data and the peripheral data on a display screen of a display by using the screen configuration.