Transboundary haze pollution is a thorny problem that is not easy to solve. In addition to the difficulties in collecting evidence, it is also necessary to make sure that companies abroad will cooperate in the investigation. The Chinese government is examining the adequacy of the transboundary haze pollution law, and is studying the strengthening of existing laws to fill gaps in law enforcement, strengthen corporate responsibility, and take decisive action against those responsible for causing transboundary haze.