Triangular storage stool

The utility model relates to a triangular storage stool which is simple in structure, can be combined and spliced, and is convenient and practical. The triangular storage stool comprises a stool body with a storage cavity, and a covering body for covering the stool body to close the storage cavity, wherein the stool body is a triangular prism, three apexes of the upper and lower end surfaces of the stool body respectively form an equilateral triangle, a first circular arc which is protruded outwards is formed between the first apex and the second apex, a second circular arc which is concave inwards is formed between the first apex and the third apex, the size of the first circular arc is equal to that of the second circular arc, more than one sticking body is arranged on the side surface on which the first circular arc is arranged, and more than one buckling body corresponding to the sticking body is arranged on the side surface on which the second circular arc is arranged.