The utility model relates to a combined type hydraulic cyclone, which comprises a lower part segment and an upper part segment, wherein, the lower part segment comprises a desilting nozzle, a lower part cone cylinder and a lower part cylinder which are connected in sequence, a feeding segment is arranged on the lower part cylinder, the upper part segment comprises an upper part cone cylinder, an upper part cylinder, a flooding central hole fluid outlet segment which are connected in sequence, a flooding side face fluid outlet segment is arranged at the lower part of the flooding central hole fluid outlet segment, the upper part cone penetrates into the lower part cylinder deeply, the position of the cylinder opening is lower than the feeding segment. Compared with the prior art, the combined type hydraulic cyclone has the advantages of low cost, high efficiency and environment protection.