A use management apparatus capable of reducing labor of determining propriety of use of a white space by a secondary system is provided. In a use management apparatus (10), a primary system field intensity storage unit (11) stores primary system field intensity, a secondary system field intensity acquisition unit (12) acquires secondary system field intensity on the basis of secondary system information, an input level calculation unit (13) calculates a booster input level by adding the secondary system field intensity to the primary system field intensity, and a use propriety determination unit (14) compares the booster input level with a saturation input level and determines the propriety of use of the white space by the secondary system on the basis of the comparison result.