Abstract: The present invention relates to a box for storing golf balls and practicing putting, which can be used to store golf balls and related accessories such as tees, and the box is composed of an upper casing and a lower casing each having a handle on it. In the lower casing, it has an appropriate accommodation space, and a supporting member being disposed at an appropriate location on the edge of the lower casing and extending towards the accommodation space. Further, the upper casing has a concave surface being disposed at the corresponsive side of the lower casing, and a groove hole being disposed in the concave surface and extended outwards. A passage is disposed at the edge of the concave surface extending outwards and is corresponsive to the supporting member. When such box is in use, golf balls and accessories can be stored in the accommodation space, which is very convenient for the user to carry and access.