Disclosed is a measurement apparatus that includes a main body, a signal processing module disposed inside the main body, a first data communication interface coupled with the signal processing module, and a signal collection module coupled with the signal processing module the signal collection module functions to measure the physiological parameter signal and output the physiological parameter signal to the signal processing module the signal processing module functions to process the physiological parameter signal to generate the physiological parameter data, and output the physiological parameter data to the terminal device via the first data communication interface, such that the terminal device can display the physiological parameter data. The user can directly conduct the physiological parameter measurement using the measurement apparatus according to the present invention without any specialized measurement equipment.