To provide a hot-beverage cup for a vending machine, which prevents the occurrence of a falling failure phenomenon without adopting a measure such as the supply of moisture.

In this paper cup (10), both a barrel member, constituting a barrel part (11), and a bottom member, constituting a bottom part (12), are composed of polyethylene-coated paper (100) in which a low-density polyethylene resin layer (102) is formed on at least one side of cup base paper (101); a peripheral edge of an opening has an outward curled mouth edge part (13); and the roughness of an outer surface of the layer (102) serving as the side of an inner surface of the paper (100) is set at 0.5-1.5 μm in terms of arithmetic mean roughness.