An electromagnetic solenoid (A) comprising: a stator including a stator core; a coil configured to generate an electromagnetic attractive force (F) by energizing the stator core; a mover configured to be attracted toward the stator by the electromagnetic attractive force, the mover and stator being configured and arranged such that there is a gap (G) between the stator and mover; an elastic body that is configured to generate a biasing force on the mover in a direction opposite to a direction in which the electromagnetic attractive force acts, wherein the mover is configured to be capable of reciprocating towards the stator in the direction in which the electromagnetic attractive force acts and of being released by the elastic body in the direction opposite to the direction in which the electromagnetic attractive force acts, a proximal end of the mover is located at a first proximal end position upon the mover being electromagnetically attracted toward the stator during energization of the coil, and is located at a second proximal end position upon the mover being electromagnetically released and moved to a side opposite to the stator during de-energization of the coil, and characterized in that the electromagnetic solenoid (A) further comprises a magnetic elastic admixture including a resin material with soft magnetism and elasticity provided in the gap such that there is no layer including only gas in the gap, the magnetic elastic admixture being configured to elastically deform between the mover and the stator and not to be separated from a contact surface with the mover and a contact surface with the stator. a stator including a stator core; a coil configured to generate an electromagnetic attractive force (F) by energizing the stator core; a mover configured to be attracted toward the stator by the electromagnetic attractive force, the mover and stator being configured and arranged such that there is a gap (G) between the stator and mover; an elastic body that is configured to generate a biasing force on the mover in a direction opposite to a direction in which the electromagnetic attractive force acts, wherein the mover is configured to be capable of reciprocating towards the stator in the direction in which the electromagnetic attractive force acts and of being released by the elastic body in the direction opposite to the direction in which the electromagnetic attractive force acts, a proximal end of the mover is located at a first proximal end position upon the mover being electromagnetically attracted toward the stator during energization of the coil, and is located at a second proximal end position upon the mover being electromagnetically released and moved to a side opposite to the stator during de-energization of the coil, and characterized in that the electromagnetic solenoid (A) further comprises a magnetic elastic admixture including a resin material with soft magnetism and elasticity provided in the gap such that there is no layer including only gas in the gap, the magnetic elastic admixture being configured to elastically deform between the mover and the stator and not to be separated from a contact surface with the mover and a contact surface with the stator. <EOS>