Protective device for Chinese torreya planting and grafting

The utility model discloses a protection device for Chinese torreya planting grafting, which comprises a protection bottom frame, a semi-arc groove is arranged on the front portion of the protection bottom frame, supporting portions are arranged on the front side of the semi-arc groove and on two sides of the protection bottom frame, the supporting portions on two sides are vertically and slidably combined with a protection assembly, and the protection assembly comprises a protection arc plate. A rubber inner container is arranged on the front end face of the protection arc plate, an insect expelling box is arranged on the rear end face of the protection arc plate, a fixing block is welded to the outer side end of the supporting part on one side, elastic components are arranged in the fixing block in a vertically symmetrical grooving mode, and a fixing plate is welded to the outer side end of the supporting part on the other side. Through holes are symmetrically formed in the fixing plate up and down, and fix