The precondition for ETV is to establish a scientific verification program index system. This study bases on biological treatment technology of wastewater, with the principles of impartial, scientific and intellectual property protection, summarizing the experience of foreign ETV index system and evaluation methods, carrying out the design for the verification index system of wastewater, combined with China's national conditions. Verification indicators consist of reference index, test index, evaluation index, which is divided into common indicators and characteristic indicators according to its characteristic.