Frame of stroller and stroller

The stroller frame comprises a push-pull rod, a rotating rod and a connecting rod assembly, the connecting rod assembly comprises a fixed rod, a limiting rod and an adapter rod, the rotating rod is hinged to the fixed rod, and walking wheels are connected to the rotating rod and the fixed rod; two ends of the limiting rod are respectively hinged with the fixed rod and the push-pull rod; two ends of the switching rod are respectively hinged with the push-pull rod and the rotating rod; the push-pull rod can drive the limiting rod and the switching rod to rotate relative to the fixed rod so as to drive the rotating rod to rotate relative to the fixed rod through the switching rod, and the frame can be switched between the unfolded state and the folded state. When the frame is in an unfolded state, a triangular supporting structure is formed among the rotating rod, the fixed rod and the ground, and then the frame is stably supported on the ground; when the frame is in a folded state, the push-pull rod, the limiti