Disclosed is a frame for supporting a tent in folded and unfolded states comprising groups of supporting frames and resembling the letter “W” in the unfolded state. Sub-frames within the supporting frames comprise upright rods pivotally connected at their respective bottoms, the sub-frames resembling the letter “V” in the unfolded state. The frame of the utility model is simple in structure, large in supporting space, flexible in structure, and convenient to use.