The utility model relates to the technical field of farmland irrigation equipment, in particular to a portable hydrant measurement and control all-in-one instrument which comprises a box body, a box cover, a water pipe, a pipe joint, a flow meter, an electric valve, a controller and a battery. The water pipe is fixedly mounted in the box body; the number of the pipe joints is two, the pipe jointsare fixedly installed on the box body and connected with the water pipe, the flow meter and the electric valve are both installed on the water pipe, the controller is installed in the box body and connected with the flow meter and the electric valve, and the battery is fixedly installed in the box body and connected with the flow meter, the electric valve and the controller. The box cover is hinged to the box body, and matched buckles are arranged on the box cover and the box body. Wherein a carrying handle is arranged on the box body, wheels are arranged at the bottom of the box body, and a telescopic pull rod is arranged on the box body. The portable hydrant measurement and control all-in-one instrument is convenient to carry and does not need to be fixedly installed in a farmland, and therefore the portable hydrant measurement and control all-in-one instrument is long in service life and not prone to being stolen, and cost can be reduced.