According to one embodiment, an display processing apparatus includes, an operation receiver, a relation calculator, a display information generator, and a display controller. The operation receiver receives operation to select a key content of a first type. The relation calculator calculates relation between the key content and each of second contents of a plurality of types including the first type. The display information generator generates first display information of the key content and second display information of the second contents. The display controller displays list information including the first display information and relation item information indicating a plurality of items involved in calculating the relation and display areas each corresponding to one of the items. In the list information, pieces of the second display information are arranged such that second display information of second content with higher relation to the key content is closer to the first display information.