Dendrobium cultivating and irrigating device

The utility model discloses a dendrobium cultivation irrigation device which comprises a bottom plate, a water storage tank is fixedly installed at the top of the bottom plate, a water pump is arranged on the front side of the water storage tank, a hose is fixedly installed at the water inlet end of the water pump and inserted into the water storage tank, and a second drainage pipe is fixedly installed at the liquid outlet end of the water pump and inserted into the water storage tank. A first drainage pipe is fixedly installed at one end of the second drainage pipe, the two ends of the first drainage pipe are open, connecting pipes are arranged at the two ends of the first drainage pipe, valves are fixedly installed at one ends of the connecting pipes, and second external thread sleeves are fixedly installed at the other ends of the connecting pipes; a spray head is arranged at the bottom of the connecting pipe, and a first external thread sleeve is fixedly mounted at the top of the spray head; water in the