This invention relates to a measurement system and analysis method of psychological pressure indicator, composed of a pulse generator, a light transmissive sensor, a signal conversion amplifier, a wave filter, and a processing platform, wherein the light transmissive sensor can be fixed on a user to detect and obtain blood oxygen concentration analog signal by a light transmissive manner then, the blood oxygen concentration signal is processed and converted into digital signal, and input to the processing platform to perform blood oxygen concentration amplitude and heart rate interval extraction and after being processed by median filter and normalization analysis, the normalized data of blood oxygen concentration amplitude and heart rate interval are converted to obtain psychological pressure indicator, so as to establish an extremely convenient assessment method for psychological health measurement.
