To provide a plastic bag hanger used for segregating garbage occupying a small space and avoiding accumulation of dust, by solving the problems with a known plastic bag hanger of floor-placement type that the bag hanger occupies a large space to cause a hindrance and dust is often deposited near a leg part.

The plastic bag hanger to be hanged on a handle of a system kitchen panel consists of a base plate having a hole to be hanged on the handle, and two side plates having two or three cuts to hang a string of the plastic bag therein. The shape of an opening face of the plastic bag is determined to be a slender rectangular one by the length of the base plate and the interval of the cuts, and a large space-saving effect can be obtained by hanging the plastic bag in contact with and parallel to the panel. A material of the hanger includes wood and plastic. The hanger formed of metallic wires is lightweight and inexpensive, and free from deposition of dust on a skirt.