The invention refers to a system comprising:(1) a disposable unit that has at least two built-in electrodes, a built-in wire antenna, a watertight chamber that can be opened and closed, and an adhesive surface；(2) an electronic controller that can acquire, process and store the physiological signals and can be fitted into the disposable unit and establish the electrical contact with the at least two built-in electrodes； and(3) a portable communication unit that can wirelessly communicate bi-directionally with the electronic controller and further communicate bi-directionally with a remote service center.
