Improved spring bed core

The utility model discloses an improved spring bed core. The mattress comprises a first mattress body, a rectangular nickel-plated iron wire ring and a second mattress body, each of the first pad bodyand the second pad body comprises a non-woven fabric, a Laurenz fiber layer and a high-density breathable cotton layer; a plurality of first iron wires and second iron wires which are vertically staggered with one another are connected between the side walls of the inner cavity of the rectangular nickel-plated iron wire ring; rubber bases are inserted into the joint positions of the first iron wires and the second iron wires in a penetrating mode. Each rubber seat comprises a first protruding column body, a base and a second protruding column body, the outer wall of the first protruding column body is fixedly sleeved with a first spring, the bottom end face of the first spring is fixedly connected with the top end face of the base, the outer wall of the second protruding column body is fixedly sleeved with a seco