The invention discloses a tripod used for a top bracket of a tent. The tripod comprises two diagonal rods, two cross rods, and two support rods, wherein the two diagonal rods are connected through a connecting piece; two ends of the connecting piece are respectively hinged with one end of each of the two diagonal rods; the other ends of the diagonal rods are hinged with one end of each of the cross rods respectively; and two ends of the support rods are respectively hinged with the middle parts of corresponding diagonal rods and cross rods. The invention also discloses a tent composed of the tripod. The tent comprises a support bracket and a top bracket which is arranged on the support bracket and consists of tripods and connecting rods connected between adjacent tripods. The support bracket consists of two two-fold brackets and two one-fold brackets; the support bracket is fixed with lateral tent cloth; and the top bracket is fixed with top tent cloth. The tripod and the tent have the characteristics of simple structure and convenient and flexible use.