Deformation preventing structure of wooden door

The utility model discloses a deformation preventing structure of a wooden door. The deformation preventing structure comprises a door sheet body made of wood plates. The door sheet body comprises a main plate and lateral plates arranged at the two ends of the main plate, a clamping groove is formed between the lateral plates and the main plate and located in the four lateral faces of the door sheet body, the upper end and the lower end of the clamping groove are each internally provided with a first clamping plate, the left end and the right end of the clamping groove are each internally provided with a second clamping plate, the two ends of each second clamping plate are each provided with a sealing plate, a first connecting hole is formed in the other end of each sealing plate, second connecting holes are formed in the portions, right facing the first connecting holes, of the first clamping plates, and locking screws are arranged in the first connecting holes and the second connecting holes in a penetratin