Abstract: BDD is a new electrode material that has received great attention recently. because it possesses several technologically important characteristics such as an inert surface with low adsorption properties, remarkable corrosion stability, even in strong acidic media, and an extremely wide potential window in aqueous and non-aqueous electrolytes. Comparing with other electrode materials, it possesses the better physical and chemical properties.Owing to these properties diamond electrodes meet the requirements for a wide range of electrochemical underlying applications. The object of this article is to summarise and discuss the recent results available in the literature concerning the application of diamond electrodes to electrochemical processes such as wastewater treatment.