Abstract: A MC98-A model multifunction polarograph controlled by a 8098 microprocessor as intelligent component is reported in thes paper.This instrument is constructed by using STD bus master and operated on chinese character menu sheet on CRT and person-mechine conversation.The main measuring methods of this instrument are anodic stripping voltalnlnetry and potential stripping.Three quantitative methods can be used. Direct display and printing of determination curve and analysis results are available to the user.