Protective fence for municipal garden construction

The utility model discloses a protective fence for municipal garden construction, and relates to the technical field of protective fences. Comprising a guardrail body, a connecting frame is fixedly installed on the guardrail body, a circular frame is fixedly installed at the bottom of the connecting frame, an auxiliary supporting assembly is arranged on the circular frame, a clamping assembly is arranged on the circular frame, and a reset assembly is arranged on the connecting frame. According to the protective fence for municipal garden construction, an auxiliary supporting assembly and a clamping assembly are arranged in a circular frame, when a plug and the circular frame are inserted into soil, the ground pushes a transmission plate to move upwards, so that a limiting block can relieve limiting of a connecting plate, and a transmission rod can be pushed to move downwards under the action of a second spring; and a transmission rod can push an insertion plate to transversely move, and an insertion block can