The invention relates to an evaluation system combining an electrical stimulation of acupuncture points with a somatosensory evoked potential analysis. Primarily, it is used to cure the sore and affected parts by stimulating nerve points of a human body with an electrical stimulator. Meanwhile, it is used to evaluate a pain slowdown condition in the affected part through the somatosensory evoked potential analysis unit. Accordingly, the treatment effect of the patients can be actually understood.