To surely arrange a cargo coupling part of a cargo handling trolley to a carriage assembly body through a holding device in a simple structure.

This cargo handling trolley is equipped with the narrow and long cargo coupling part 12 arranged ascendably or descendably at least with respect to one of the carriage assembly body through a ramp 40 and a roller 34 when the cargo coupling part and the carriage assemble body are relatively moved to a longitudinal direction; and normally travels on a groove shaped track. A holding means 50 disposed between the cargo coupling part and the carriage assemble body so as to surely move is provided with an anchor element 60 fixed on the cargo coupling part, and at least one of unexpansible and relatively movable elements 54 revolvably provided with respect to the anchor element.