Environmental credit information record clearing system is the "sunset clause" in the environmental credit system.In order to restore the production and encourage the enterprises,the environmental service institutions and their employees to actively carry out rectification,the environmental protection department can clear the bad environmental credit information records in accordance with certain procedures and conditions.The existing law of China only stipulates the open and inquiring time limit,which is the prepositional procedure of system of environmental bad credit information clearing.At the same time,there are also problems such as narrow scope of application,undefined starting method and application content,and unreasonable time setting.The key to improving the system of environmental bad credit information clearing is:firstly,to expand the scope of environmental bad credit information clearing to realize the effective docking of environmental credit information record system and environmental credit evaluation system; secondly,to make clear the applicable contents and starting ways of the system; thirdly,to explore the construction of a uniform environmental bad credit information record grading clearing system in accordance with the illegality of the enterprise to realize the benign interaction of environmental protection and economic development in China.