A collapsible luggage cart comprising an inverted U-shaped handle combined with a horizontal eccentric tube with pivotal discs, a vertical middle support tube and two vertical side support tubes combined pivotally with and under the eccentric tube with both a middle pivotal ring and two side pivotal rings so as to make the handle swingable upward for spreading and downward for collapsing, a luggage frame combined pivotally with the lower ends of the middle and the two side vertical tubes so as to make the luggage frame swingable down for spreading for use or up for collapsing, and two wheels combined with two wheel frames combined pivotally with the two vertical side support tubes so as to make the wheel frames swingable outward for spreading and inward for collapsing.