Forestry planting tree supporting device with high wind resistance

The utility model discloses a forestry planting tree supporting device with strong wind resistance, which comprises a main clamp, the main clamp is arranged outside the left side of a tree trunk, the right side of the main clamp is rotatably connected with a secondary clamp, and bolts with a fixing function are connected inside the lower side of the main clamp and inside the lower side of the secondary clamp in a penetrating manner; a single body of the connecting block is welded to the exterior of the left side of the main clamp and the exterior of the right side of the secondary clamp respectively; and the connecting rods are connected to the interiors of the secondary clamping hoops and the connecting blocks in a penetrating mode from outside to inside, the connecting rods are symmetrically installed relative to the vertical midperpendicular of the tree trunk, the inner ends of the connecting rods are connected with abutting blocks with the clamping function in a welded mode, and the cross sections of the