Tree protection support convenient to adjust and used for landscaping engineering

The tree protection support comprises a supporting plate, the bottom of the supporting plate is fixedly connected with a bottom plate, the top of the bottom plate is fixedly connected with a water tank, and an adjusting rod is arranged on the side, close to the water tank, of the supporting plate in a penetrating mode. The ends, away from the water tank, of the adjusting rods penetrate through the supporting plate and are fixedly connected with rectangular pipes, the opposite sides of the rectangular pipes are fixedly connected with limiting plates, and the ends, away from the supporting plate, of the adjusting rods are fixedly connected with connecting plates. The tree protection support has the advantages of being convenient to adjust and having a timed water supplementing function, and solves the problems that in the using process of an existing tree protection support for landscaping engineering, a user cannot conveniently adjust the distance of the support according to the actual using condition, so that