As a method of observing regeneration of damaged nerves, research is being conducted on analyzing the electric signals of nerve fibers that regenerate damaged nerves by implanting a microelectrode array between those nerves[1,3]. There are methods that evaluated for regerated nerves, such as electrophysiology test(nerve conduction velocity, morphology, maximum amplitude), function analysis(i.e gait analysis for sciatic nerves), and histological test. For electrophysiology test, there are needed exactly spike detection(positive phase and negative phase). ENG’s bandwidth has the broader than other biomedical signals. Therefore, procedure of biomedical signal processing requested many computation quantities. In this paper, we proposed the simplified system for conduction velocity regenerated nerve, based on MEA, without signal processing complexity.