A novel pressure-sensitive adhesive tape package easy to open and easy in application of an adhesive tape is disclosed. The pressure-sensitive adhesive tape package 10 according to the present invention includes an adhesive tape 14 that accommodates a support 18 and an adhesive agent layer 12 provided on one surface of the support 18, and a release sheet 16 releasably attached to the adhesive agent layer 12. Moreover, the release sheet 16 is folded with the adhesive tape 14, and the adhesive tape 14 is sealed inside of the folded release sheet 16. A plurality of temporary attach portions 50 to 54 spaced from each other is provided in a half of the adhesive agent layer 12 in the adhesive tape 14 to securely expose the half when the release sheet 16 is opened.
