Temperature and humidity control machine for dendrobium planting greenhouse

The utility model discloses a temperature and humidity control machine for a dendrobium planting greenhouse. The temperature and humidity control machine comprises a device body. According to the utility model, the rotating handle is rotated to drive the bidirectional screw rod to rotate, and the rotation of the bidirectional screw rod enables the first sliding block and the second sliding block to be close to each other, so that the distance between the second clamping plate and the first clamping plate can be adjusted, and the distance between the third clamping plate and the first clamping plate can be adjusted; therefore, the temperature monitor and the humidity monitor can be conveniently fixed; the insect-proof cover is in threaded connection with the threaded rod through the threaded ring, so that the insect-proof cover can rotate and move up and down along the threaded rod, the insect-proof cover moves downwards until the bottom end of the insect-proof cover is clamped in the bottom groove, and the in