Abstract: The present application proposes a ground insert and an outdoor umbrella, including: a ground insert body, provided with a first connection hole and a second connection hole, where the first connection hole extends along a height direction of the ground insert body and is used for matching a lower end of an umbrella pole of an outdoor umbrella, and the second connection hole extends along a width direction of the ground insert body; and an assistance rod, where the assistance rod and the second connection hole are detachably fitted to transversely arrange the assistance rod on the ground insert body, and the assistance rod is used for a user to grip to screw the ground insert body, so as to screw at least part of the ground insert body into the ground. The ground insert of the present disclosure may facilitate the convenient disassembly and assembly of the umbrella pole and the ground insert body.