Abstract: The new electrogenerated chemiluminescence analytical instrument can be applied in the drug analysis, luminescent materialstest, and other similar electrogenerated chemiluminescence detection experiments. This article introduces a the development of new electrogenerated chemiluminescence analytical instrument, including the principle of the instrument, the design diagram, the concrete realization of the programme, the main technical difficulties and innovation. This Electrogenerated chemiluminescence analytical instrument enjoys advancement of high sensitivity, dual-detection position, the four-channel samples, 3D graphics and so on.