As a professional supervision mode, the administrative supervision plays a very important role in the construction of clean politics. However, due to the restriction of legislation, system and mechanism, the function of the administrative supervision to promote the clean politics construction is in the presence of constraints. Therefore, through the improvement of administrative supervision system, establishing and perfecting the legal system of administrative supervision, improving administrative supervision mechanism, strengthening the administrative supervision function, are the keys to promoting the effective way of honest and clean political construction.