Abstract: A multi-function portable gas stove with folding pan supports comprises a burner that is surrounded by a reflective tray for reflecting a heat radiation of a stove fire of the portable gas stove on a cooker, and plural sets of support units pivotally connected to the burner. Each of the support units comprises a first folding arm that has three joints and heat sinks while drawn by an elastic element. The first joint of the first folding arm is pivotally connected to the burner, and the second joint is pivotally connected by one end of a second folding arm. A third folding arm is pivotally connected between the third joint of the first folding arm and a sliding groove formed on the second folding arm. Furthermore, a rotatable claw is pivotally mounted on the third joint of each of the first folding arm.