Laminated-type water filter for micro-irrigation

The utility model discloses a laminated-type water filter for micro-irrigation. According to the laminated-type water filter for the micro-irrigation, an annular sheet body is provided with a central hole penetrating through the sheet body; a first convex ledge extending along a folded line track and enclosing the central hole is arranged on the front surface of the annular sheet body; the first convex ledge is provided with a first flow guide groove; a second convex ledge and a third convex ledge extending along different circumferential line tracks respectively and enclosing the central hole are arranged on the front surface of the annular sheet body; the third convex ledge encloses the first convex ledge, and the first convex ledge encloses the second convex ledge; the second convex ledge and the third convex ledge are correspondingly provided with a second flow guide groove and a third flow guide groove respectively; the cross section of a third hole channel encircled by the inner groove wall of the third