The invention provides a particle powder pressing mould of a magnetic core with a soft magnetic ferrite E type opening, which is characterized in that the mould comprises a reversed T-shaped die end and oblique die feet; wherein, the oblique die feet are respectively fixed at the two sides of the reversed T-shaped die end. The particle powder pressing mould of the magnetic core with a soft magnetic ferrite E model opening has the advantages of 1. guaranteed quality; 2. energy conservation; 3. labor reduction; and 4. pollution alleviation.