The present paper gives a detailed discussion on the economic loss caused by the negative impact of the air pollution on human health through an analysis of the statistical data gained indirectly from the investigation with Tianjin's Township-Village Industrial Enterprises (TVIEs) on the permission of the corresponding authoritative departments. According to the statistical data, the economic loss of the industry in this way is estimated between 96.46 million YUAN(RMB) and 557.72 million YUAN(RMB) in 1999 a...