The invention provides a rationing integrated set comprising an operating tube and a water-distributing core disposed within the operating tube. The water-distributing core is composed of two water distributors which are identical; each water distributor is provided with a water outlet A corresponding to a water outlet B of the operating tube; the operating tube is composed of an upper part, a lower part and a sealing separator disposed between the upper part and the lower part. The rationing integrated set has the advantages that changing the nozzles is convenient, the nozzles are quick and convenient to release and fish, the use of hydraulic releasing and fishing allows direct release from a wellhead, no wire rope or pump car is required, two nozzles can be checked out once, and the rationing integrated set is suitable for subdivided layer separate injection of inclined shafts.