To easily treat a wheel balance weight assembly 1 having a connecting tape for applying an adhesive to an under surface and covering the adhesive with a protective sheet and plural wheel balance weights stuck to an upper surface of this connecting tape by mutually leaving clearance having a prescribed width in the lengthwise direction.

The adhesive 7 is filled in the clearance 6 between the mutually adjacent wheel balance weights 5, and the mutually adjacent wheel balance weights 5 are more firmly connected than time of only a connecting tape 2 by this adhesive 7.