To provide a crushing and separation system effectively extracting a required substance from raw material.

The crushing and separation system 10 is equipped with a crushing part 20 crushing the raw material and a separation part 30 extracting the required substance from the crushed raw material, wherein the separation part is equipped with a filtering part 32 disposed rotatably around an axis in the length direction, and a water feed pipe 36 disposed to jet water diagonally upward in the filtering part. The filtering part has a frame 36a horizontally extended and cylindrically formed as a whole, and a filter 36b disposed on the outer circumference of the frame.