To provide an electromagnetic vibration type diaphragm pump capable of improving efficiency and a power factor.

This electromagnetic vibration type diaphragm pump comprises an electromagnet part comprising electromagnets of an E-core and winding coil parts assembled with the core disposed to face each other in a frame, a vibrator inserted to cavity parts between the electromagnets to which magnets are fixed, a diaphragm fixed at right and left end parts of the vibrator, and a pump casing part supporting the diaphragm. The vibrator is fixed to non- magnetic matter at four blocks with a prescribed interval.