PROBLEM TO BE SOLVED: To provide a cold/hot tool free from the need of replacement work of an exothermic body or a coolant, and excellent in economical efficiency, and a beverage container attached with the same.SOLUTION: A beverage container 100 attached with a cold/hot tool includes a cold/hot tool 110 and a beverage container 120. In the cold/hot tool 100, a container contact part 111 and a skin contact part 112 are each formed on both end parts of a cylindrical body. The container contact part 111 is formed in a curved surface shape corresponding to a side surface part 122 of the beverage container 120. The skin contact part 112 is formed in an annular curved surface shape along an irregular shape of the circumference of users eyes. The beverage container 120 is a container for storing beverage D, and is configured by forming a resin material in a bottomed cylinder shape. The side surface part 122 of the beverage container 120 is formed with a recessed storing part 124 for detachably storing the cold/hot tool 110, and a container side skin contact part 125 formed in a curved surface shape fitted to the circumference of users eyes.
