Abstract: The present invention provides a mattress for measuring physiological parameters of a heart, comprising a mattress body, a first electrode, a second electrode and an electromagnetic shield, wherein the first electrode and the second electrode are located on the upper surface of the mattress body and the first electrode and the second electrode have a space therebetween; at least a portion of the electromagnetic shield is located on the lower surface of the mattress body and is insulated from the first electrode and the second electrode. In the above mattress provided by the present invention, the first electrode and the second electrode are shielded from ambient electromagnetic radiation effectively. The electromagnetic shield, by blocking the electromagnetic wave propagation path, prevents the electrodes from being polluted by electromagnetic radiation, achieving more accurate measurement.