Nursery stock planting supporting device

The utility model relates to the technical field of nursery stock planting, in particular to a nursery stock planting supporting device which comprises two bottom plates, the two bottom plates are symmetrically distributed, the outer sides of the tops of the two bottom plates are both rotationally connected with telescopic rods, the tops of the two telescopic rods are both rotationally connected with connecting rods, and the connecting rods are arranged on the bottom plates. Supporting supports are fixedly connected to the tail ends of the two connecting rods, and each supporting support is of a semi-arc structure. The two bottom plates are combined and connected, nursery stocks are placed in the notches, then the tension springs are adopted to pull the telescopic rods to be close to the nursery stocks, the air cushions on the inner sides of the supporting brackets abut against the nursery stocks, the nursery stocks are supported through the two air cushions, inclination is prevented, the multiple retaining r