A cup is disclosed. The cup includes: a cup body made of synthetic resin and having a containing part with an opening having a relatively large diameter to be able to receive a beverage or food; and a cup holder fitted on the cup body from the opposite end to the opening to be fixed on the outer side under the opening of the cup body. The upper end of the cup holder is fitted on a holder top seat on the outer side of the opening of the cup body and the lower end of the cup holder is in contact with the outer side of the lower portion of the cup body at a position such that the portion except for the upper and lower ends of the cup holder is spaced a distance from the outer side of the containing part of the cup body.