The utility model discloses a novel efficient and concentrated hydrocyclone, and relates to the technical field of mining mechanical equipment. The novel efficient and concentrated hydrocyclone is characterized in that the lower end of an overflow pipe is communicated with an upper-end pipe; the lower end of the upper-end pipe is communicated with a vortex chamber; the lower end of the vortex chamber is communicated with an upper cone; an engine base is arranged on the upper cone; the lower end of the upper cone is communicated with a middle cone; the lower end of the middle cone is communicated with a lower cone; a sand setting mouth is arranged at the lower end of the lower cone; and a feed opening is formed in the outer side wall of the vortex chamber. With the adoption of the novel efficient and concentrated hydrocyclone, the defects of poor treatment capacity and low underflow concentration in the prior art are overcome; the improved structure is reasonable in design; a small diameter design is adopted, so that improvement of separation factors of grains and partition size is facilitated; and the bottom of the hydrocyclone is long-cone-shaped, so that the expansion of separated space is facilitated, the gradation efficiency is improved, the concentration effect is good, and the underflow concentration is increased.