An image forming method wherein a storage container, accommodating the toner having a volume-based median diameter of 3.5 .mu.m through 8.5 .mu.m and containing a resin having a glass-transition temperature of 0.degree. C. through 46.degree. C. and a softening point of 75.degree. C. through 110.degree. C., is included in an packaging container made of a substance having an apparent density of 0.1 through 0.3; and a toner supply section constituting the storage container is exposed to the outside from the packaging container, and is loaded on the image forming apparatus, whereby toner is supplied to the image forming apparatus.