593880 A pressure-sensitive adhesive tape package (10) which can contribute to resource saving while attaining easy application of the pressure-sensitive adhesive tape (14). The package (10) accommodates an adhesive tape (14) having a support (18) and an adhesive agent layer (12) provided on one surface of the support (18). The package (10) comprises a release sheet (16) releasably attached to the adhesive agent layer (12), with the release sheet (16) bent into a first portion (20) and a second portion (22) along a predetermined first bending line. The adhesive tape (14) is bent into a first portion (26) and a second portion (28) along a predetermined second bending line such that the adhesive agent layer (12) faces outwardly. The bent adhesive tape (14) is sealed inside of the bent release sheet (16). The first portion (26) of the adhesive tape (14) is larger than the second portion (28) of the adhesive tape (14), and the first portion (26) has an extending portion that extends from the second portion (28). Temporary attaching means (24) are provided in at least a part of a portion of the release sheet (16) on the second portion side of the adhesive tape (14), the portion of the release sheet facing the extending portion of the adhesive tape (14).