To install an inside plug and a drinking cup on an opening of a container body without forming a spiral part on an opening outer peripheral surface of the container body.SOLUTION: A beverage container includes: a container body 1 for storing beverage, an inside plug 2 screwed on an opening inner peripheral surface of the container body 1, and fixed to the container body 1; and a drinking cup 3 screwed on an outer peripheral surface exposed to the furthermore upper side than the opening of the container body 1 of the inside plug 2, and fixed to the container body 1. By screwing the inside plug 2 on the opening inner peripheral surface of the container body 1, the drinking cup 3 can be installed on the opening of the container body 1 through the inside plug 2.SELECTED DRAWING: Figure 2
