The present invention relates to an improved apparatus for collecting a physiological signal, comprising a main body, including two devices for taking out the physiological signal from a finger at each side of the main body by pressing the finger therein, each device for taking out the physiological signal from a finger including: a finger contacting element, provided thereon an electrode unit for taking out an electronic signal of the physiological signal at the time of being contacted by the finger a receiving element, provided on an upper side of the finger contacting element and an elastic element, being connected to the receiving element, wherein each elastic element is opened an angle at each receiving element according to elastic force of each elastic element, and each finger inserts into a space and engages with the finger contacting element and the receiving element.
