The utility model discloses a split type special radio frequency electric meter control box for farmland irrigation. The box body is a cubic, wherein a front plate of the cubic is movably assembled. The front plate is movably arranged in a groove arranged at the inner side of a front end surface of an upper panel, a left panel and a right panel. The front panel is arranged on the front end surface of a lower panel of the box body through a screw on the lower portion of the front panel and the upper portion of the front panel is provided with a viewing screen observation hole, the viewing screen observation hole is provided with a transparent plate for observing the inner side of the box body. One side of the viewing screen observation hole is provided with a button which is connected with two ends of a power source after being connected with an indication light in series to provide illumination inside the box body. The lower panel of the box body is provided with a power control switch for connecting electric supply and a water pump. The adoption of the split type assembly box body structure ensures extremely convenient installment and maintenance. Glass reinforced plastic material is solid and durable and not easy to corrode. The illumination design ensures convenient number reading of the viewing screen at night.